This document discusses a study that proposes an algorithm called PPP to predict students' performance through their procrastination behaviors using assignment submission data from an online course. The study builds feature vectors from students' submission behaviors, uses clustering to categorize students, and employs classification methods to predict performance. It finds that PPP can successfully predict performance with 96% accuracy, and that linear support vector machines perform best with continuous features while neural networks perform best with categorical features. The predictive power of all methods decreases with more student clusters.
The document describes a case study that uses educational data mining techniques to analyze graduate student data from the College of Science and Technology in Khanyounis, Palestine from 1993-2007. The data includes 18 attributes for 3360 students. After preprocessing, association rules, classification, clustering, and outlier detection are applied. Association rules found relationships between attributes like poor grades and average performance. Classification rules predicted grade based on attributes like secondary school type and GPA. Clustering grouped students and outlier detection found anomalous cases. The results provide insights to improve student performance and academic decision making.
Analysis Of Students Ability In Solving Relation And Functions Problems Base...Vicki Cristol
The document analyzes students' ability to solve relation and function problems based on learning indicators. It finds that students' overall ability is low. Specifically:
- Ability to define relations and functions is low. Students forget definitions.
- Determining examples and non-examples of functions is medium. Most but not all students can distinguish them.
- Determining domain, codomain, and range is medium. Students sometimes confuse range and codomain.
- Drawing arrow and Cartesian diagrams is medium. Students can usually draw them but omit descriptions.
The study indicates students have forgotten basic concepts and recommends teachers focus more on understanding than memorization to improve problem-solving abilities.
Clustering Students of Computer in Terms of Level of ProgrammingEditor IJCATR
Educational data mining (EDM) is one of the applications of data mining. In educational data mining, there are two key domains, i.e. student domain and faculty domain. Different type of research work has been done in both domains.
In existing system the faculty performance has calculated on the basis of two parameters i.e. Student feedback and the result of student in that subject. In existing system we define two approaches one is multiple classifier approach and the other is a single classifier approach and comparing them, for relative evaluation of faculty performance using data mining
Techniques. In multiple classifier approach K-nearest neighbor (KNN) is used in first step and Rule based classification is used in the second step of classification while in single classifier approach only KNN is used in both steps of classification.
But in proposed system, I will analyse the faculty performance using 4 parameters i.e., student complaint about faculty, Student review feedback for faculty, students feedback, and students result etc.
For this proposed system I will be going to use opinion mining technique for analyzing performance of faculty and calculating score of each faculty.
Educational Data Mining is used to find interesting patterns from the data taken from
educational settings to improve teaching and learning. Assessing student’s ability and performance with
EDM methods in e-learning environment for math education in school level in India has not been
identified in our literature review. Our method is a novel approach in providing quality math education
with assessments indicating the knowledge level of a student in each lesson. This paper illustrates how
Learning Curve – an EDM visualization method is used to compare rural and urban students’ progress
in learning mathematics in an e-learning environment. The experiment is conducted in two different
schools in Tamil Nadu, India. After practicing the problems the students attended the test and their
interaction data are collected and analyzed their performance in different aspects: Knowledge
component level, time taken to solve a problem, error rate. This work studies the student actions for
identifying learning progress. The results show that the learning curve method is much helpful to the
teachers to visualize the students’ performance in granular level which is not possible manually. Also it
helps the students in knowing about their skill level when they complete each unit.
Predicting student performance in higher education using multi-regression modelsTELKOMNIKA JOURNAL
Supporting the goal of higher education to produce graduation who will be a professional leader is a crucial. Most of universities implement intelligent information system (IIS) to support in achieving their vision and mission. One of the features of IIS is student performance prediction. By implementing data mining model in IIS, this feature could precisely predict the student’ grade for their enrolled subjects. Moreover, it can recognize at-risk students and allow top educational management to take educative interventions in order to succeed academically. In this research, multi-regression model was proposed to build model for every student. In our model, learning management system (LMS) activity logs were computed. Based on the testing result on big students datasets, courses, and activities indicates that these models could improve the accuracy of prediction model by over 15%.
Accurate prediction and early identification of student at-risk of attrition are of high concern for higher educational institutions (HEIs). It is of a great importance not only to the students but also to the educational administrators and the institutions in the areas of improving academic quality and efficient utilisation of the available resources for effective intervention. However, despite the different frameworks and various models that researchers have used across institutions for predicting performance, only negligible success has been recorded in terms of accuracy, efficiency and reduction of student attrition. This has been attributed to the inadequate and selective use of variables for the predictive models. This paper presents a multi-dimensional and an integrated system framework that involves considerable learners’ input and engagement in predicting their academic performance and intervention in HEIs. The purpose and functionality of the framework are to produce a comprehensive, unbiased and efficient way of predicting student performance that its implementation is based upon multi-sources data and database system. It makes use of student demographic and learning management system (LMS) data from the institutional databases as well as the student psychosocial-personality (SPP) data from the survey collected from the student to predict performance. The proposed approach will be robust, generalizable, and possibly give a prediction at a higher level of accuracy that educational administrators can rely on for providing timely intervention to students. --
Accurate prediction and early identification of student at-risk of attrition are of high concern for higher
educational institutions (HEIs). It is of a great importance not only to the students but also to the
educational administrators and the institutions in the areas of improving academic quality and
efficient utilisation of the available resources for effective intervention. However, despite the different
frameworks and various models that researchers have used across institutions for predicting performance,
only negligible success has been recorded in terms of accuracy, efficiency and reduction of student
attrition. This has been attributed to the inadequate and selective use of variables for the predictive models.
AN INTEGRATED SYSTEM FRAMEWORK FOR PREDICTING STUDENTS’ ACADEMIC PERFORMANCE ...ijcsit
Accurate prediction and early identification of student at-risk of attrition are of high concern for higher educational institutions (HEIs). It is of a great importance not only to the students but also to the educational administrators and the institutions in the areas of improving academic quality and efficient utilisation of the available resources for effective intervention. However, despite the different frameworks and various models that researchers have used across institutions for predicting performance, only negligible success has been recorded in terms of accuracy, efficiency and reduction of student
attrition. This has been attributed to the inadequate and selective use of variables for the predictive models. This paper presents a multi-dimensional and an integrated system framework that involves considerable learners’ input and engagement in predicting their academic performance and intervention in HEIs. The purpose and functionality of the framework are to produce a comprehensive, unbiased and efficient way of predicting student performance that its implementation is based upon multi-sources data and database
system. It makes use of student demographic and learning management system (LMS) data from the institutional databases as well as the student psychosocial-personality (SPP) data from the survey collected from the student to predict performance. The proposed approach will be robust, generalizable, and possibly give a prediction at a higher level of accuracy that educational administrators can rely on for providing timely intervention to students.
The document describes a case study that uses educational data mining techniques to analyze graduate student data from the College of Science and Technology in Khanyounis, Palestine from 1993-2007. The data includes 18 attributes for 3360 students. After preprocessing, association rules, classification, clustering, and outlier detection are applied. Association rules found relationships between attributes like poor grades and average performance. Classification rules predicted grade based on attributes like secondary school type and GPA. Clustering grouped students and outlier detection found anomalous cases. The results provide insights to improve student performance and academic decision making.
Analysis Of Students Ability In Solving Relation And Functions Problems Base...Vicki Cristol
The document analyzes students' ability to solve relation and function problems based on learning indicators. It finds that students' overall ability is low. Specifically:
- Ability to define relations and functions is low. Students forget definitions.
- Determining examples and non-examples of functions is medium. Most but not all students can distinguish them.
- Determining domain, codomain, and range is medium. Students sometimes confuse range and codomain.
- Drawing arrow and Cartesian diagrams is medium. Students can usually draw them but omit descriptions.
The study indicates students have forgotten basic concepts and recommends teachers focus more on understanding than memorization to improve problem-solving abilities.
Clustering Students of Computer in Terms of Level of ProgrammingEditor IJCATR
Educational data mining (EDM) is one of the applications of data mining. In educational data mining, there are two key domains, i.e. student domain and faculty domain. Different type of research work has been done in both domains.
In existing system the faculty performance has calculated on the basis of two parameters i.e. Student feedback and the result of student in that subject. In existing system we define two approaches one is multiple classifier approach and the other is a single classifier approach and comparing them, for relative evaluation of faculty performance using data mining
Techniques. In multiple classifier approach K-nearest neighbor (KNN) is used in first step and Rule based classification is used in the second step of classification while in single classifier approach only KNN is used in both steps of classification.
But in proposed system, I will analyse the faculty performance using 4 parameters i.e., student complaint about faculty, Student review feedback for faculty, students feedback, and students result etc.
For this proposed system I will be going to use opinion mining technique for analyzing performance of faculty and calculating score of each faculty.
Educational Data Mining is used to find interesting patterns from the data taken from
educational settings to improve teaching and learning. Assessing student’s ability and performance with
EDM methods in e-learning environment for math education in school level in India has not been
identified in our literature review. Our method is a novel approach in providing quality math education
with assessments indicating the knowledge level of a student in each lesson. This paper illustrates how
Learning Curve – an EDM visualization method is used to compare rural and urban students’ progress
in learning mathematics in an e-learning environment. The experiment is conducted in two different
schools in Tamil Nadu, India. After practicing the problems the students attended the test and their
interaction data are collected and analyzed their performance in different aspects: Knowledge
component level, time taken to solve a problem, error rate. This work studies the student actions for
identifying learning progress. The results show that the learning curve method is much helpful to the
teachers to visualize the students’ performance in granular level which is not possible manually. Also it
helps the students in knowing about their skill level when they complete each unit.
Predicting student performance in higher education using multi-regression modelsTELKOMNIKA JOURNAL
Supporting the goal of higher education to produce graduation who will be a professional leader is a crucial. Most of universities implement intelligent information system (IIS) to support in achieving their vision and mission. One of the features of IIS is student performance prediction. By implementing data mining model in IIS, this feature could precisely predict the student’ grade for their enrolled subjects. Moreover, it can recognize at-risk students and allow top educational management to take educative interventions in order to succeed academically. In this research, multi-regression model was proposed to build model for every student. In our model, learning management system (LMS) activity logs were computed. Based on the testing result on big students datasets, courses, and activities indicates that these models could improve the accuracy of prediction model by over 15%.
Accurate prediction and early identification of student at-risk of attrition are of high concern for higher educational institutions (HEIs). It is of a great importance not only to the students but also to the educational administrators and the institutions in the areas of improving academic quality and efficient utilisation of the available resources for effective intervention. However, despite the different frameworks and various models that researchers have used across institutions for predicting performance, only negligible success has been recorded in terms of accuracy, efficiency and reduction of student attrition. This has been attributed to the inadequate and selective use of variables for the predictive models. This paper presents a multi-dimensional and an integrated system framework that involves considerable learners’ input and engagement in predicting their academic performance and intervention in HEIs. The purpose and functionality of the framework are to produce a comprehensive, unbiased and efficient way of predicting student performance that its implementation is based upon multi-sources data and database system. It makes use of student demographic and learning management system (LMS) data from the institutional databases as well as the student psychosocial-personality (SPP) data from the survey collected from the student to predict performance. The proposed approach will be robust, generalizable, and possibly give a prediction at a higher level of accuracy that educational administrators can rely on for providing timely intervention to students. --
Accurate prediction and early identification of student at-risk of attrition are of high concern for higher
educational institutions (HEIs). It is of a great importance not only to the students but also to the
educational administrators and the institutions in the areas of improving academic quality and
efficient utilisation of the available resources for effective intervention. However, despite the different
frameworks and various models that researchers have used across institutions for predicting performance,
only negligible success has been recorded in terms of accuracy, efficiency and reduction of student
attrition. This has been attributed to the inadequate and selective use of variables for the predictive models.
AN INTEGRATED SYSTEM FRAMEWORK FOR PREDICTING STUDENTS’ ACADEMIC PERFORMANCE ...ijcsit
Accurate prediction and early identification of student at-risk of attrition are of high concern for higher educational institutions (HEIs). It is of a great importance not only to the students but also to the educational administrators and the institutions in the areas of improving academic quality and efficient utilisation of the available resources for effective intervention. However, despite the different frameworks and various models that researchers have used across institutions for predicting performance, only negligible success has been recorded in terms of accuracy, efficiency and reduction of student
attrition. This has been attributed to the inadequate and selective use of variables for the predictive models. This paper presents a multi-dimensional and an integrated system framework that involves considerable learners’ input and engagement in predicting their academic performance and intervention in HEIs. The purpose and functionality of the framework are to produce a comprehensive, unbiased and efficient way of predicting student performance that its implementation is based upon multi-sources data and database
system. It makes use of student demographic and learning management system (LMS) data from the institutional databases as well as the student psychosocial-personality (SPP) data from the survey collected from the student to predict performance. The proposed approach will be robust, generalizable, and possibly give a prediction at a higher level of accuracy that educational administrators can rely on for providing timely intervention to students.
This document discusses predicting student performance in higher education using video learning analytics and data mining techniques. The study analyzed data from 772 students' interactions in an LMS, student information system, and mobile video application to predict end-of-semester performance. Eight classification algorithms were tested on the data, along with feature selection techniques like genetic search and principle component analysis. The Random Forest algorithm most accurately predicted student performance at 88.3% accuracy using an equal width feature selection method. The results indicate that analyzing interaction data from multiple systems using classification techniques can help predict student outcomes.
This document discusses predicting student performance in higher education using video learning analytics and data mining techniques. The study analyzed data from 772 students' interactions in an LMS, student information system, and mobile video application to predict end-of-semester performance. Eight classification algorithms were tested and random forest accurately predicted successful students 88.3% of the time. Feature selection techniques like genetic search and principle component analysis were also able to further improve performance. The results suggest video learning analytics combined with data mining can help educators identify at-risk students and improve learning outcomes.
This document discusses predicting student performance in higher education using video learning analytics and data mining techniques. The study analyzed data from 772 students' interactions in an LMS, student information system, and mobile video application to predict end-of-semester performance. Eight classification algorithms were tested and random forest accurately predicted successful students 88.3% of the time. Feature selection techniques like genetic search and principle component analysis were also able to further improve performance. The results suggest video learning analytics combined with data mining can help educators identify at-risk students and make decisions to improve student success.
This document discusses learning analytics, which involves measuring, retrieving, collecting, and analyzing student data from various learning environments. Learning analytics can help educators track student progress and behavior to improve instruction and support. However, there are also challenges around data storage, privacy, and ensuring analytics are aligned with educational goals. Opportunities exist to capture more detailed behavioral data through tools, but institutions must have the capacity to maintain analytics systems and apply insights pedagogically.
E-SUPPORTING PERFORMANCE STYLES BASED ON LEARNING ANALYTICS FOR DEVELOPMENT O...IJITE
This study aims to identify the effectiveness of delivering electronic supporting performance styles that are
based on learning analytics for the development of teaching practices in teaching science, moreover, the
Electronic and face to face supporting performance styles will deliver according to the data analytics that
extracted from observations, (participating rate- page views) data from platform, therefore, to determine
the effectiveness, the researchers design observation rubric based on teaching practices standard that
extract from (ASTE/NSTA, AITSL) to observe teaching practices of student science teachers. Regarding the
participants they were science students who enrolled in educational diplomas, researchers use the mixed
method in collected data and quantitative data, furthermore, they will study a supportive program of
considering data analyses to develop their teaching practices in teaching science, the results exposed that
providing a supporting program that considers learning analytics, helps increase teaching practices in
teaching science for student's science teachers.
E-SUPPORTING PERFORMANCE STYLES BASED ON LEARNING ANALYTICS FOR DEVELOPMENT O...IJITE
This study aims to identify the effectiveness of delivering electronic supporting performance styles that are
based on learning analytics for the development of teaching practices in teaching science, moreover, the
Electronic and face to face supporting performance styles will deliver according to the data analytics that
extracted from observations, (participating rate- page views) data from platform, therefore, to determine
the effectiveness, the researchers design observation rubric based on teaching practices standard that
extract from (ASTE/NSTA, AITSL) to observe teaching practices of student science teachers. Regarding the
participants they were science students who enrolled in educational diplomas, researchers use the mixed
method in collected data and quantitative data, furthermore, they will study a supportive program of
considering data analyses to develop their teaching practices in teaching science, the results exposed that
providing a supporting program that considers learning analytics, helps increase teaching practices in
teaching science for student's science teachers.
E-supporting Performance Styles based on Learning Analytics for Development o...IJITE
This study aims to identify the effectiveness of delivering electronic supporting performance styles that are
based on learning analytics for the development of teaching practices in teaching science, moreover, the
Electronic and face to face supporting performance styles will deliver according to the data analytics that
extracted from observations, (participating rate- page views) data from platform, therefore, to determine
the effectiveness, the researchers design observation rubric based on teaching practices standard that
extract from (ASTE/NSTA, AITSL) to observe teaching practices of student science teachers. Regarding the
participants they were science students who enrolled in educational diplomas, researchers use the mixed
method in collected data and quantitative data, furthermore, they will study a supportive program of
considering data analyses to develop their teaching practices in teaching science, the results exposed that
providing a supporting program that considers learning analytics, helps increase teaching practices in
teaching science for student's science teachers.
A LEARNING ANALYTICS APPROACH FOR STUDENT PERFORMANCE ASSESSMENTTye Rausch
This document discusses learning analytics, academic analytics, and educational data mining. It defines each term and differentiates their processes and purposes. Learning analytics uses predictive models and data analysis to optimize student learning experiences and identify at-risk students. Educational data mining focuses on developing new data analysis methods and algorithms to solve educational issues. Academic analytics applies business intelligence principles to improve decision-making in educational institutions. The document provides examples of universities using learning analytics to track performance, predict outcomes, and improve retention.
Due to the increasing interest in big data especially in the educational field and online education has led to a conflict in terms of performance indicators of the student. In this paper we discuss the methodology of assessing the student performance in terms of the success indicators revealing a number of indicators that is recommended to indicate success of the final academic achievement.
This document summarizes a study that analyzed student activity log data from the Moodle learning management system to identify patterns in student behavior and their relationship to academic performance. The researchers represented each student's activities over time as a time series and clustered students based on the similarity of their activity patterns using Dynamic Time Warping. This revealed 7 prototypical behavior patterns, including procrastinators, strugglers, and experts. The goal is to help identify at-risk students early to enable interventions that could improve learning outcomes and retention rates.
Currently, e-learning is becoming an option as it can save the cost of education, time, and more flexible in its implementation. The main problem that arises is how to create e-learning content that is interesting and really fit the needs of the users. One way that can be done to optimize the content of e-learning is to analyze the user behavior. This study aims to analyze user (student) behavior in KALAM UMP, based on logs report (activity history), which is often called as behavioral tracking. First, the learning style of the students is determined based on Honey and Mumford Learning Styles Model by using Learning Styles Questionnaire. The analysis is done using SPSS 16.0 for Windows. The results shows that student with Reflector and Theorist learning styles access e-learning materials the most. From Spearman Correlation analysis, the relationship between learning styles and students’ behavior in e-learning is found to be very weak (rs=.276, p=.000), but statistically significant (p<0.05). In other words, students’ learning styles and behavior in e-learning have significant impacts on the improvement or degradation of students’ performance. Therefore, from the results of this study, an adaptive KALAM e-learning system which can suits the learning styles of UMP students is proposed. In adaptive e-learning system, students can access learning materials that match the students' learning needs and preferences.
Due to the increasing interest in big data especially in the educational field and online education has led to a conflict in terms of performance indicators of the student. In this paper we discuss the methodology of assessing the student performance in terms of the success indicators revealing a number of indicators that is recommended to indicate success of the final academic achievement
This document describes an academic performance analysis system that uses educational data mining techniques. It analyzes student and teacher performance data collected from an engineering college. The system applies the Apriori algorithm and decision tree algorithm to mine patterns in academic data. The Apriori algorithm is used to generate rules based on support, confidence and lift to analyze student performance in different courses. The decision tree algorithm is used to analyze and visualize results for individual students, student groups, and indirectly for teachers. The goal is to identify existing patterns in past student performance data and use it to improve future student and teacher performance.
Clustering analysis of learning style on anggana high school studentTELKOMNIKA JOURNAL
The inability of students to absorb the knowledge conveyed by the teacher is’nt caused by the inability of understanding and by the teacher which isn’t able to teach too, but because of the mismatch of learning styles between students and teachers, so that students feel uncomfortable in learning to a particular teacher. It also happens in senior high school (SHS/SMAN) 1 Anggana, so it is necessary to do this research, to analyze cluster (group) of student learning style by applying data mining method that is k-Means and Fuzzy C-Means. The purpose was to know the effectiveness of this learning style cluster on the development of absorptive power and improving student achievement. The method used to cluster the learning style with data mining process starts from the data cleaning stage, data selection, data transformation, data mining, pattern evolution, and knowledge development.
Data mining in higher education university student dropout case studyIJDKP
In this paper, we apply different data mining approaches for the purpose of examining and predicting students’ dropouts through their university programs. For the subject of the study we select a total of 1290 records of computer science students Graduated from ALAQSA University between 2005 and 2011. The
collected data included student study history and transcript for courses taught in the first two years of
computer science major in addition to student GPA , high school average , and class label of (yes ,No) to
indicate whether the student graduated from the chosen major or not. In order to classify and predict
dropout students, different classifiers have been trained on our data sets including Decision Tree (DT),
Naive Bayes (NB). These methods were tested using 10-fold cross validation. The accuracy of DT, and NlB
classifiers were 98.14% and 96.86% respectively. The study also includes discovering hidden relationships
between student dropout status and enrolment persistence by mining a frequent cases using FP-growth
algorithm.
Administrator Work In Leveraging Technologies For Students With Disabilities ...Nathan Mathis
This study examined how online administrators supported teachers in providing technology-based accommodations for students with disabilities. The researchers interviewed four special education teachers and analyzed accommodation plans from student IEP documents over four months. They found that (1) providing technology accommodations required intensive collaboration, (2) teachers struggled to implement all mandated accommodations while also using supportive technologies, and (3) technology accommodations were often limited to tools already available to all students. The implications are that transferring IEPs to online environments is complex, and online learning is not inherently accommodating without careful consideration at all levels.
The document discusses using Learning Factor Analysis (LFA), an educational data mining technique, to model student knowledge based on student-tutor interaction log data. LFA uses a multiple logistic regression model with difficulty factors defined by subject experts to quantify skills. A combinatorial search method called A* search is used to select the best-fitting model. The document illustrates applying LFA to data from an online math tutor, identifying 5 skills and presenting the results of the logistic regression modeling, including fit statistics and learning rates for skills. Learning curves are used to visualize student performance over time.
A Study on Learning Factor Analysis – An Educational Data Mining Technique fo...iosrjce
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
This document outlines a research proposal for a study on the impact of flipped classrooms and mobile learning. The study will take place at Sharjah Women's College in the UAE, which has about 2,000 female students between ages 17-25 from Sharjah and surrounding emirates. Through needs analysis including interviews and observations, the author identified flipped classroom and mobile learning using Moodle as an approach to potentially improve student English skills. The research will use a correlation study to examine relationships between variables like age, gender, language and students' use of reading articles or videos in Moodle discussions. Data will be collected through surveys and observations, following ethics guidelines to protect student privacy and confidentiality. The expected results could benefit education in
Adoption of technology on E-learning effectivenessjournalBEEI
The incorporation of E-learning in both private and public tertiary education can help expedite the learning process. The utilization of fast-paced technology with E-learning also allows for a more flexible and convenient learning process. E-learning platforms can be accessed anywhere as long as there is an internet connection, including at home, the workplace, restaurants or while travelling. This allows for the benefit of distance learning. As such, the current study aims to examine the factor effectiveness of E-learning based on three variables, namely technology, instructors’ characteristics and students’ characteristics and their impact on distance learning. The education system has greatly evolved from the use of apparatus such as chalk and blackboards to the modern use of projectors to conduct lessons. In the current age, E-learning will have an effect on both instructors and teaching technology, aside from the students themselves. As an example, students are expected to know how to utilize these systems in their lessons, instructors must receive training in E-learning systems management and in terms of technology, the E-learning systems must be updated and operated using the most recent upgrades. E-learning is also cost-efficient, less time consuming and reduces the burden on both students and educators.
This document discusses organization development in non-industrial settings such as healthcare, school systems, the public sector, and family-owned businesses. Specifically, it focuses on organization development in healthcare, noting trends like the growth of healthcare as an industry, the complexity of the system, and challenges around capacity and connecting different providers. It also discusses opportunities for organization development practice in healthcare around creating effective cultures, human resource systems, job design, and restoring trust among stakeholders.
This document discusses organization development in family-owned businesses. It begins by defining the family business system as consisting of the business, ownership, and family systems. It then outlines some critical issues facing family firms, such as conflicts during generational transitions of leadership and ownership. The document concludes by describing some typical organization development interventions that practitioners can use when working with a family business, such as facilitating family meetings, addressing both business and family systems issues, and building trust throughout the engagement.
This document discusses predicting student performance in higher education using video learning analytics and data mining techniques. The study analyzed data from 772 students' interactions in an LMS, student information system, and mobile video application to predict end-of-semester performance. Eight classification algorithms were tested on the data, along with feature selection techniques like genetic search and principle component analysis. The Random Forest algorithm most accurately predicted student performance at 88.3% accuracy using an equal width feature selection method. The results indicate that analyzing interaction data from multiple systems using classification techniques can help predict student outcomes.
This document discusses predicting student performance in higher education using video learning analytics and data mining techniques. The study analyzed data from 772 students' interactions in an LMS, student information system, and mobile video application to predict end-of-semester performance. Eight classification algorithms were tested and random forest accurately predicted successful students 88.3% of the time. Feature selection techniques like genetic search and principle component analysis were also able to further improve performance. The results suggest video learning analytics combined with data mining can help educators identify at-risk students and improve learning outcomes.
This document discusses predicting student performance in higher education using video learning analytics and data mining techniques. The study analyzed data from 772 students' interactions in an LMS, student information system, and mobile video application to predict end-of-semester performance. Eight classification algorithms were tested and random forest accurately predicted successful students 88.3% of the time. Feature selection techniques like genetic search and principle component analysis were also able to further improve performance. The results suggest video learning analytics combined with data mining can help educators identify at-risk students and make decisions to improve student success.
This document discusses learning analytics, which involves measuring, retrieving, collecting, and analyzing student data from various learning environments. Learning analytics can help educators track student progress and behavior to improve instruction and support. However, there are also challenges around data storage, privacy, and ensuring analytics are aligned with educational goals. Opportunities exist to capture more detailed behavioral data through tools, but institutions must have the capacity to maintain analytics systems and apply insights pedagogically.
E-SUPPORTING PERFORMANCE STYLES BASED ON LEARNING ANALYTICS FOR DEVELOPMENT O...IJITE
This study aims to identify the effectiveness of delivering electronic supporting performance styles that are
based on learning analytics for the development of teaching practices in teaching science, moreover, the
Electronic and face to face supporting performance styles will deliver according to the data analytics that
extracted from observations, (participating rate- page views) data from platform, therefore, to determine
the effectiveness, the researchers design observation rubric based on teaching practices standard that
extract from (ASTE/NSTA, AITSL) to observe teaching practices of student science teachers. Regarding the
participants they were science students who enrolled in educational diplomas, researchers use the mixed
method in collected data and quantitative data, furthermore, they will study a supportive program of
considering data analyses to develop their teaching practices in teaching science, the results exposed that
providing a supporting program that considers learning analytics, helps increase teaching practices in
teaching science for student's science teachers.
E-SUPPORTING PERFORMANCE STYLES BASED ON LEARNING ANALYTICS FOR DEVELOPMENT O...IJITE
This study aims to identify the effectiveness of delivering electronic supporting performance styles that are
based on learning analytics for the development of teaching practices in teaching science, moreover, the
Electronic and face to face supporting performance styles will deliver according to the data analytics that
extracted from observations, (participating rate- page views) data from platform, therefore, to determine
the effectiveness, the researchers design observation rubric based on teaching practices standard that
extract from (ASTE/NSTA, AITSL) to observe teaching practices of student science teachers. Regarding the
participants they were science students who enrolled in educational diplomas, researchers use the mixed
method in collected data and quantitative data, furthermore, they will study a supportive program of
considering data analyses to develop their teaching practices in teaching science, the results exposed that
providing a supporting program that considers learning analytics, helps increase teaching practices in
teaching science for student's science teachers.
E-supporting Performance Styles based on Learning Analytics for Development o...IJITE
This study aims to identify the effectiveness of delivering electronic supporting performance styles that are
based on learning analytics for the development of teaching practices in teaching science, moreover, the
Electronic and face to face supporting performance styles will deliver according to the data analytics that
extracted from observations, (participating rate- page views) data from platform, therefore, to determine
the effectiveness, the researchers design observation rubric based on teaching practices standard that
extract from (ASTE/NSTA, AITSL) to observe teaching practices of student science teachers. Regarding the
participants they were science students who enrolled in educational diplomas, researchers use the mixed
method in collected data and quantitative data, furthermore, they will study a supportive program of
considering data analyses to develop their teaching practices in teaching science, the results exposed that
providing a supporting program that considers learning analytics, helps increase teaching practices in
teaching science for student's science teachers.
A LEARNING ANALYTICS APPROACH FOR STUDENT PERFORMANCE ASSESSMENTTye Rausch
This document discusses learning analytics, academic analytics, and educational data mining. It defines each term and differentiates their processes and purposes. Learning analytics uses predictive models and data analysis to optimize student learning experiences and identify at-risk students. Educational data mining focuses on developing new data analysis methods and algorithms to solve educational issues. Academic analytics applies business intelligence principles to improve decision-making in educational institutions. The document provides examples of universities using learning analytics to track performance, predict outcomes, and improve retention.
Due to the increasing interest in big data especially in the educational field and online education has led to a conflict in terms of performance indicators of the student. In this paper we discuss the methodology of assessing the student performance in terms of the success indicators revealing a number of indicators that is recommended to indicate success of the final academic achievement.
This document summarizes a study that analyzed student activity log data from the Moodle learning management system to identify patterns in student behavior and their relationship to academic performance. The researchers represented each student's activities over time as a time series and clustered students based on the similarity of their activity patterns using Dynamic Time Warping. This revealed 7 prototypical behavior patterns, including procrastinators, strugglers, and experts. The goal is to help identify at-risk students early to enable interventions that could improve learning outcomes and retention rates.
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Due to the increasing interest in big data especially in the educational field and online education has led to a conflict in terms of performance indicators of the student. In this paper we discuss the methodology of assessing the student performance in terms of the success indicators revealing a number of indicators that is recommended to indicate success of the final academic achievement
This document describes an academic performance analysis system that uses educational data mining techniques. It analyzes student and teacher performance data collected from an engineering college. The system applies the Apriori algorithm and decision tree algorithm to mine patterns in academic data. The Apriori algorithm is used to generate rules based on support, confidence and lift to analyze student performance in different courses. The decision tree algorithm is used to analyze and visualize results for individual students, student groups, and indirectly for teachers. The goal is to identify existing patterns in past student performance data and use it to improve future student and teacher performance.
Clustering analysis of learning style on anggana high school studentTELKOMNIKA JOURNAL
The inability of students to absorb the knowledge conveyed by the teacher is’nt caused by the inability of understanding and by the teacher which isn’t able to teach too, but because of the mismatch of learning styles between students and teachers, so that students feel uncomfortable in learning to a particular teacher. It also happens in senior high school (SHS/SMAN) 1 Anggana, so it is necessary to do this research, to analyze cluster (group) of student learning style by applying data mining method that is k-Means and Fuzzy C-Means. The purpose was to know the effectiveness of this learning style cluster on the development of absorptive power and improving student achievement. The method used to cluster the learning style with data mining process starts from the data cleaning stage, data selection, data transformation, data mining, pattern evolution, and knowledge development.
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dropout students, different classifiers have been trained on our data sets including Decision Tree (DT),
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Administrator Work In Leveraging Technologies For Students With Disabilities ...Nathan Mathis
This study examined how online administrators supported teachers in providing technology-based accommodations for students with disabilities. The researchers interviewed four special education teachers and analyzed accommodation plans from student IEP documents over four months. They found that (1) providing technology accommodations required intensive collaboration, (2) teachers struggled to implement all mandated accommodations while also using supportive technologies, and (3) technology accommodations were often limited to tools already available to all students. The implications are that transferring IEPs to online environments is complex, and online learning is not inherently accommodating without careful consideration at all levels.
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IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
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1. entropy
Article
Mining Educational Data to Predict Students’
Performance through Procrastination Behavior
Danial Hooshyar, Margus Pedaste and Yeongwook Yang *
Institute of Education, University of Tartu, Tartu 50103, Estonia; danial.hooshyar@ut.ee (D.H.);
margus.pedaste@ut.ee (M.P.)
* Correspondence: yeongwook.yang@ut.ee
Received: 28 November 2019; Accepted: 18 December 2019; Published: 20 December 2019
Abstract: A significant amount of research has indicated that students’ procrastination tendencies
are an important factor influencing the performance of students in online learning. It is, therefore,
vital for educators to be aware of the presence of such behavior trends as students with lower
procrastination tendencies usually achieve better than those with higher procrastination. In the
present study, we propose a novel algorithm—using student’s assignment submission behavior—to
predict the performance of students with learning difficulties through procrastination behavior
(called PPP). Unlike many existing works, PPP not only considers late or non-submissions, but also
investigates students’ behavioral patterns before the due date of assignments. PPP firstly builds
feature vectors representing the submission behavior of students for each assignment, then applies a
clustering method to the feature vectors for labelling students as a procrastinator, procrastination
candidate, or non-procrastinator, and finally employs and compares several classification methods to
best classify students. To evaluate the effectiveness of PPP, we use a course including 242 students
from the University of Tartu in Estonia. The results reveal that PPP could successfully predict
students’ performance through their procrastination behaviors with an accuracy of 96%. Linear
support vector machine appears to be the best classifier among others in terms of continuous features,
and neural network in categorical features, where categorical features tend to perform slightly better
than continuous. Finally, we found that the predictive power of all classification methods is lowered
by an increment in class numbers formed by clustering.
Keywords: educational data mining; predication of students’ performance; higher education;
procrastination behavior; online learning
1. Introduction
The way in which students learn and teachers teach has changed considerably due to the rise of
information and communications technologies in higher education. For example, online and blended
courses’ (partially or fully) use of the Internet to deliver course content and instructions to learners,
transform face-to-face learning into online learning [1]. Learning Management Systems (LMSs),
which offer online learning materials, such as course content, quizzes, assignments, and forums, are
considered as one way of supporting online learning. Teachers that use LMSs can simply manage and
provide learning resources, and also monitor students’ learning progress as almost every action of
the teachers and students in such systems are logged [2]. Gaining insight into the online behavior of
students enables teachers to improve learning and teaching. However, it is worth mentioning that the
data stored by LMSs is mainly raw and provides no solid information or measurements of existing
theoretical concepts. Additionally, as many students using LMSs fail to adapt to the requirement
of such environments, LMSs also create pedagogical challenges (besides their benefits) for teachers.
Entropy 2020, 22, 12; doi:10.3390/e22010012 www.mdpi.com/journal/entropy
2. Entropy 2020, 22, 12 2 of 24
Therefore, a better understanding of the process, and whether and how these data can be used for
improving the learning process, is crucial [3,4].
There have been several studies revolving regarding the fundamental success or failure factors of
online learning. For example, Azevedo et al. [5] and Hooshyar et al. [6] highlighted several challenges,
e.g., self-pacing and self-regulation, more effort, rapid learning, etc., that usually hinder students from
adapting to LMSs. Among all, procrastination—especially a tendency to put off completing tasks—and
a lack of time are underlined by students as the main reasons when asked about their failure or dropping
out of an online course (e.g., [7,8]). Tuckman [9] and Cerezo et al. [10] have stressed the negative
effect of procrastination on learning achievement in students, whereas, similarly, Cerezo et al. [11]
and Visser et al. [12] named procrastination as the most observed behavior in online learning which
jeopardizes students’ academic success. Identifying students with learning difficulties in a course—and
informing their teachers and themselves to take the necessary measures—is considered as one important
step in improving student performance, leading to their academic success [13]. Educational Data
Mining (EDM) is an emerging field focusing on developing methods that mine educational data
to understand the behavior of students to possibly identify those with learning difficulties at early
stages. The application of EDM techniques to educational data gives instructors the opportunity to
take appropriate decisions which will eventually improve learning and lead to the improvement of
academic success [14].
There has been extensive research employing EDM approaches to predict grades or the performance
of students in a course. To do so, surprisingly, they mostly focus on students’ past performance
(e.g., cumulative GPA) and/or non-academic factors (e.g., gender, age) to build their predictive models
without considering students’ activity data [15]. Such predictive models in many cases simply fail
to consider that many non-academic indicators (e.g., gender, race, socio-economic status) or past
performance factors cannot be influenced by either students or teachers. In many situations, these
models may negatively affect students’ performance and discourage them—if students are made aware
that such variables are used in the prediction of their performance—because they may assume that
their past circumstances have already set them up for (future) failure [16]. Instead, more research
should use students’ activity data—which can, logically, be among the best indicators of students’
performance and course grade—during the course to develop their predictive models.
Given the importance of procrastination as an underlying indicator (which is related to students’
activity and performance in a course, not their past performance) for predicting students’ performance
in a course and the success of advanced EDM approaches in predicating students’ performance,
there are only a very few studies that have taken into account the application of EDM techniques for
prediction of students’ performance in a course through their procrastination behaviors. Yet, though
the related research shows good performance and has proven to be useful (e.g., [17]), they ignore some
important factors, for example, including underlying factors of procrastination behaviors (e.g., inactive
time which is the time that goes by from when assignments become open until students view it for the
first time), employing and comparing advanced EDM approaches, and considering practitioners by
proposing simple and easy-to-implement EDM approaches which are yet precise, indicating a research
gap. Research filling this gap could shed a light on useful means for enhancing EDM research in
higher education.
In this work, to address these issues, we propose an algorithm, called PPP, for predicting students’
performance through procrastination behaviors using their assignment submission data. To do so,
we first build feature vectors representing the submission behavior of students for each assignment,
using inactive and spare time. We then use clustering and classification methods to put students into
different procrastination behavior categories based on their submission behavior. As both types of
quantitative variables are usually used in building feature vectors in EDM research (continuous and
categorical), we consider both types of variables to investigate which works best in PPP. To this aim,
we formulate our research question as follows:
3. Entropy 2020, 22, 12 3 of 24
• How accurately can our proposed algorithm predict students’ performance through their
procrastination behaviors?
• Which classification method offers superior predictive power, when using various numbers of
classes in the feature vectors? What is the effect of using continuous versus categorical feature
vectors on different classification methods?
Our proposed algorithm contributes to EDM research in multiple ways: (1) It predicts students’
performance through their procrastination behavior using their submission data; (2) it considers
fundamental variables of students’ procrastination behaviors, including students’ behavioral patterns,
before the due date of assignments, to establish a comprehensive students’ submission behavior; (3) it
takes into account the benefits of cluster analysis to semantically ensure the appropriateness of the
clusters to the procrastination behavior of students; and (4) it takes into account both continuous
and categorical feature vectors to study the effect of different feature types of prediction power of
our algorithm.
The outline of this paper is as follows: Section 2 reviews the related studies in the area of academic
procrastination, EDM research, and its application in a procrastination context. Section 3 lays out our
proposed methodology. Section 4 revolves around the experimental results. Finally, Sections 5 and 6
offer discussions and the conclusion of this study, respectively.
2. Previous Research
2.1. Academic Procrastination
Procrastination is defined as “intentionally delaying or deferring work that must be completed”
by Schraw et al. [18] (p. 12). In general, procrastination is the lack of willingness and intention to
perform an activity or the tendency to postpone an activity to the last possible minute, which is actually
the opposite of motivation [19]. Several studies reported that up to 29% of the adult population are
chronic procrastinators and procrastination tendency is a widespread phenomenon amongst western
societies [20,21].
Students, similarly, demonstrate such behavior while performing academic tasks [7]. This can
result in both negative and positive consequences. According to Chu and Choi [22], procrastinators can
be divided into two groups, active and passive. Active procrastinators deliberately procrastinate as a
positive academic strategy because they prefer to work under pressure, whereas passive procrastinators
allow the negative, indecisive behavior to disable them, causing them to suffer from negative academic
consequences. Steel [23] likewise discusses that procrastination can be described as a positive behavior
and some researchers even refer to it as “functional delay” (p. 66). Nevertheless, he concluded, in his
meta-analysis of the literature of procrastination, that positive referral of procrastination is secondary
compared to the traditional negative sense. In this study, therefore, the term procrastination only refers
to its primary, passive, negative form. Previous research on procrastination was more inclined toward
studying the relations between psychological factors or personal traits and procrastination. Ackerman
and Gross [24] and Van Eerde [25], for example, highlighted personality traits, performance outcomes,
and emotional dispositions as underlying factors for procrastination. Nonetheless, many more studies
correlated procrastination tendencies to time management (e.g., [10,26]). Visser et al. [27], for instance,
state that there is a relation between fear of failure and time management, Hen and Goroshit [28]
correlate time management to anxiety and stress, and, finally, Balkıs [29] and You [30] highlight the
effect of time management on academic achievement.
Multiple studies negatively correlated procrastination to academic performance and reported that
this tendency usually leads to negative results, such as a decrease in course achievement and long-term
learning, lower goal commitment and grade, and many more. For instance, Cerezo et al. [11] concluded
that student achievement is, to a large extent, negatively linked to the procrastination tendency, and in
a similar vein Michinov et al. [8] reported the negative effect of procrastination tendency on course
achievement. On the one hand, some existing research found a negative relationship between academic
4. Entropy 2020, 22, 12 4 of 24
achievement in conventional learning environments and procrastination [31,32]. According to the
findings from Melton’s [33] study, students who postponed their academic tasks to the very last
moment demonstrated lower retention of learning materials in the long-term as compared to those who
studied regularly. Additionally, the time required to complete the task was mostly underestimated by
chronic procrastinators and not enough time was allocated to complete the task, causing the students’
failure most of the times [26]. On the other hand, numerous studies highlight that the dropout
rate of online students compared to traditional learning environments seem to be more related to
procrastination behavior and such a tendency can be more detrimental (e.g., [10]). One reason could be
the fact that learning depends more on the individual learner. To this end, Elvers et al.’s [34] study on
individual behavior of students in online course found that students mostly access or visit webpage
of courses right on the exam day or the day before. The authors further argued that students do not
follow course schedules and simply put off their academic tasks until the last moment. A similar
finding has been highlighted by many more studies and time management has been frequently named
as a solid indicator of academic achievement [8,35]. For instance, Wighting et al. [35] concluded
that a delay in performing tasks is one of the significant predictors of engaged learning, leading to
procrastination. Finally, according to findings reported by Tuckman’s study [9], non-procrastinators
in online environments tend to perform better than procrastinators, and procrastination behavior is
much stronger in an online learning environment compared to a traditional learning environment.
Consequently, it is essential to detect such tendencies in a timely manner in learning environments.
Self-reported questionnaires have been used, rather than observed behaviors, by several studies to
measure the procrastination behavior of students (e.g., [8,35]). An alternative way, however, is to
obtain students’ learning behavior in a timely manner by using their log data in the system.
2.2. Educational Data Mining
The process of converting raw educational data into useful information that could have a further
great impact on educational research and practices is called Educational Data Mining (EDM). EDM
approaches, in many different ways, provide instructors and students with useful insight into their
learning process so they can take appropriate actions and decisions which will eventually improve
learning achievement and lead to an improvement of academic success [14]. These include offering
feedback, generating recommendations, prediction of learning difficulties, offering personalized
learning, etc. Researchers usually apply different data mining techniques, such as clustering and
classification, to educational context to discover hidden knowledge and patterns. A systematic review
conducted by Dutt et al. [36] provides a comprehensive review of EDM research. In the following
subsections, we give a broad overview of the two methods, clustering and classification, used in
this study.
2.2.1. Clustering Methods in the Context of Education
Clustering is the process of dividing data points into a number of groups where similar ones
are partitioned together. Several clustering methods have been applied to various variables within
the context of education, providing an unambiguous schema of students’ learning styles according
to various variables, such as time spent on completing learning tasks, learner behavior, student
motivation, etc. For example, Tair and El–Halees [37] employed various clustering methods to cluster
students’ performance, using student information from 1993 to 2007, with the aim of improving
students’ performance and overcome the problem of low grades. In a different vein, Li and Yoo [38]
applied clustering methods on a dataset of 89 students’ interactions with an adaptive tutoring system to
model students’ e-learning behavior for further adaptive and effective teaching in the context of a CS-1
course. Pedaste and Sarapuu [39] applied clustering on the level of student teams at the beginning of
the learning process and personalized learning based on the characteristics of clusters and achieved a
significant improvement in problem solving skills. In their study hierarchical cluster analysis was used
and the number of meaningful clusters was detected by humans manually. Even though Dutt et al. [36]
5. Entropy 2020, 22, 12 5 of 24
in their systematic study indicated that k-means was one of the most reliable methods which had
been employed by many researchers, several other studies named spectral clustering as one of the
most popular modern clustering methods in data mining that usually performs better than traditional
clustering methods (including k-means) [40,41]. Clustering methods, such as spectral clustering,
sometimes do not specify the number of clusters, requiring manual specification of the number of
clusters. As this number is often unknown, several trials of the k value are needed until a good balance
is found where larger and smaller values might result in clusters that are too detailed and coarse,
respectively. In such cases, the optimal number of clusters can be identified by various approaches,
among them the Elbow method. We, in the present study, employ the spectral clustering method.
2.2.2. Classification Methods in the Context of Education
Classification is a frequently used data mining method in education context, assigning an object to a
class. In other words, classification is a specific case of prediction where a classifier—which uses training
data to produce a classification model—predicts a class (label) or a discrete value [42–44]. Classification
methods have been widely used in education to classify students according to their motivation,
knowledge, and behavior (e.g., [45]). For example, Ahmad et al. [46] predicted, using eight-year data
from 2006 to 2014, students’ academic performance of undergraduate students in computer science
courses. The dataset used contains the students’ demographics, previous academic records, and family
background information. They employed various classification techniques, including Decision Tree
and Naïve Bayes, for this prediction. Kotsiantis et al. [47] trained six classification algorithms on a
dataset from the Hellenic Open University for identifying poor performers in a distance learning
environment. They concluded that the Naïve Bayes algorithm is the most appropriate to be used for
the construction of educational software support tools. Additionally, Huang and Fang [48] reported
that support vector machine (SVM) performed best in predicting student academic performance in
an engineering dynamics course. Among different classification methods for prediction, decision
trees, SVMs, neural networks, Bayesian classifiers, and nearest neighbor techniques are among the
best-known classification paradigms [49].
2.3. Procrastination Prediction Using EDM Methods
Several researchers have carried out studies to predict performance of student through different
variables using EDM methods (see [15]). Nonetheless, students’ activity data including homework
submission behavior of students—which, logically, can be among the best indicators of students’
performance and course grade—to a large extent has been ignored.
To this end, there exist insufficient studies that have taken into account the application of
EDM techniques for the prediction of students’ performance or success in a course through their
procrastination behaviors. Table 1 briefly shows the comparison of related works in the area. We also
provide in the table an overview of the approach provided in our work to show how the existing
approaches could be improved. For instance, Drăgulescu et al. [17] used variables before and after
the submission of assignments to predict students’ assignment submissions. To predict students’
submissions in a specific time segment, they used data from that time segment and prior segment
attributes. Similar to other existing works, they considered those assignments submitted before the
deadline as on-time and those after as late submissions, ignoring the actual students’ behavioral
patterns before the due date of homework in the decision-making of their proposed approach (for
example, one can submit his/her assignment on-time, but be a candidate for future procrastination).
Additionally, they ignored using and comparing advanced classification methods in their model. In a
similar attempt, Akram et al. [50] proposed a prediction model to predict the academic performance
of students through their homework submission behavior. Even though their approach is novel and
proved to be successful, similar to Drăgulescu et al. [17]’s work, variables used for procrastination
tendencies were limited. Furthermore, they compared various classification methods to find the best,
but they had not considered advanced classification approaches, such as SVM, neural networks, etc.
6. Entropy 2020, 22, 12 6 of 24
Table 1. Comparison of our proposed approach with related works.
Objective
Behavioral Patterns before
Submission
Attributes Classification Techniques
Inactive Time Spare Time
[17]
Prediction of
assignment
submission
no no
-students’ activity
data-course and
assignment
information
DT (CART), Random Forest,
NN, GaussianNB, Logit, LDA,
SVC
[50]
Prediction of
students’
procrastination
no yes -grade
ZeroR, OneR, ID3, J48, Random
Forest, Decision Stump, JRip,
PART, NBTree, Prism
[51]
Prediction of
students at risk
through assignment
submission
no no
-students’ activity
data-course and
assignment
information-peers
activity data
Neural Network
Our
work
Prediction of
procrastination
yes yes
-students’ activity
and assignment
data-grade
L-SVM, R-SVM, Gaussian
Processes, Decision Tree,
Random Forest, Neural
Network, AdaBoost, Naive
Bayes
Finally, Olivé et al. [51] proposed a generalizable predictive model for different courses which
uses neural networks. They predicted the likelihood of student assignment submissions being on
time, in which students would likely submit their assignments on time, based on their activity up to
two days before assignments’ due dates. Even though they achieved good accuracy in their models
and they had considered some of procrastination-related variables in their input features (as well as
many more), their proposed model suffers from high complexity and is thereby difficult to implement,
interpret, and use by practitioners. This issue becomes more apparent when looking for the reasoning
behind the decision made by the model. Additionally, they did not consider comparing their proposed
approach with other existing classification methods that usually function well (with less data) and can
be implemented and interpreted easier. Research filling the abovementioned gaps could shed light on
useful means for enhancing EDM research in higher education.
3. Method
3.1. Problem Description
Let us assume that we have a set of students denoted as S = {s1, s2, . . . , sn} that are
expected to submit a set of assignments denoted as A = {a1, a2, . . . , am} within a deadline. Some
students may submit their assignment on time, some may submit with delay, or, finally, some
may never submit. Each student s is associated with a number of dates of first assignment view
FirstviewDs = (FirstviewDs
1
, FirstviewDs
2
, . . . , FirstviewDs
m) and the number of the assignment submission
SubmissionDs = (SubmissionDs
1
, SubmissionDs
2
, . . . , SubmissionDs
m), where FirstviewDs
m and SubmissionDs
m
denote the m-th assignment first view and assignment submission of student s. Each assignment
a is associated with an open date OpenDa and a deadline Deadlinea. All students’ FirstviewDs and
SubmissionDs, and assignments’ OpenDa and Deadlinea are used to build spare time—time that goes
by from when a student submits assignments until the assignment is due—and inactive time—time
that goes by from when assignments become open until a student views it for the first time—for each
student. This gives us the opportunity to have information on a student’s procrastination behavior.
We seek, according to such information, to predict if a student is a procrastinator, a procrastinator
candidate, or a non-procrastinator by considering if they will have submitted their assignment before
the deadline and the time they will have missed before they actually start working on their assignment.
Table 2 shows notations used in this work.
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Table 2. Notations.
Notation Explanation
S, A A set of students and assignments
s, a A specific student and assignment
v1, v2, w1, w2 A spare time and an inactive time (both continuous and categorical values)
OpenDa The open date of assignment
Deadlinea The due date of assignment
FirstviewDs The student’s first view date of assignment
SubmissionDs The student’s assignment submission date
xi, yi
A pair of continuous and categorical features for an assignment i,
xi = (v1, v2), yi = (w1, w2)
Xj, Yj
Continuous and categorical feature vectors for a student j,
Xj = (x1j, x2j, . . . xij), Yj =
y1j, y2j, . . . yij
W Weighted adjacency matrix
L Unnormalized Laplacian
u Eigenvector
U The matrix containing the eigenvectors
P The set of Performance metrics
C The best classification method
3.2. PPP: Prediction of Students’ Performance through Procrastination Behavior
In this section, we explain our proposed approach to predict students’ procrastination behavior
using their submission data. Figure 1 gives a summary of the approach and subsequent subsections
elaborate each step of the approach. The proposed framework consists of five steps. First, data needs
to be collected. In our case it was extracted from Moodle. Next, data preprocessing is needed to
structure it appropriately for the third phase, which is feature vector development. In this step all
subjects (learners in our case) will be characterized mathematically by combining information available
about the objects (assignments in our case). The fourth step would be to cluster students with similar
behavioral categories by means of a clustering technique and, in the final step, the data will be classified
according to this and predictions will be made regarding the subjects (the procrastination behavior
of students).
3.2.1. Building the Feature Vector of Assignment Submission Behavior
We present each assignment by continuous and categorical features, where each include a pair
of continuous and categorical values (see Equations (1) and (2)). This enables us to investigate both
types of quantitative variables and possibly determine which works the best in our proposed approach.
We present in Equations (3) and (4) each student by a feature vector for all assignments:
xi = (v1, v2) (1)
yi = (w1, w2) (2)
Xj = (x1j, x2j, . . . xij) (3)
Yj =
y1j, y2j, . . . yij
(4)
We show in Algorithm 1 the process to compute v1 and v2, as well as the feature vector X. From our
dataset the algorithm inputs OpenD, FirstviewD, SubmissionD, and Deadline. For each student, values
of v1 and v2 are then computed for each assignment, where i and j are the total number of assignments
and students, respectively. In the next step, it is decided whether the spare time should be flagged with
0 or 1, indicating whether the assignment submission is on time or late (or non-submission). In the
final step, inactive time for each assignment is considered and, using the median of inactive time,
8. Entropy 2020, 22, 12 8 of 24
inactive time for an assignment is flagged with a 0 or 1, indicating small or large amounts of inactive
time for each student for each assignment. The output of this algorithm is the feature vectors X and Y.
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Figure 1. Framework of the PPP approach.
3.2.1. Building the Feature Vector of Assignment Submission Behavior
We present each assignment by continuous and categorical features, where each include a pair
of continuous and categorical values (see Equations (1) and (2)). This enables us to investigate both
types of quantitative variables and possibly determine which works the best in our proposed
approach. We present in Equations (3) and (4) each student by a feature vector for all assignments:
𝑥 = (𝑣 , 𝑣 ) (1)
y = (𝑤 , 𝑤 ) (2)
𝑿 = (𝑥 , 𝑥 , … 𝑥 ) (3)
𝒀 = (𝑦 , 𝑦 , … 𝑦 ) (4)
We show in Algorithm 1 the process to compute 𝑣 and 𝑣 , as well as the feature vector X.
From our dataset the algorithm inputs 𝑂𝑝𝑒𝑛𝐷, 𝐹𝑖𝑟𝑠𝑡𝑣𝑖𝑒𝑤𝐷, 𝑆𝑢𝑏𝑚𝑖𝑠𝑠𝑖𝑜𝑛𝐷, and 𝐷𝑒𝑎𝑑𝑙𝑖𝑛𝑒. For each
student, values of 𝑣 and 𝑣 are then computed for each assignment, where i and j are the total
number of assignments and students, respectively. In the next step, it is decided whether the spare
time should be flagged with 0 or 1, indicating whether the assignment submission is on time or late
(or non-submission). In the final step, inactive time for each assignment is considered and, using the
Figure 1. Framework of the PPP approach.
Algorithm 1 Development of feature vectors X and Y
Input: OpenDa, FirstviewDa, SubmissionDs, Deadlines, S, A
Output: Feature vector X and Y
1: Initialize j = |S|, i = |A|
2: while n j do
3: while m i do
4: xnm[v1] =
Deadlinem
–SubmissionDn
m
Deadlinem–OpenDm
5: xnm[v2] =
FirstviewDn
m– OpenDm
Deadlinem– OpenDm
6: if xnm[v1] = 0 then
7: ynm[w1] = 0
8: else
9: ynm[w1] = 1
10: if xnm[v2] = median xnm[v2] then
11: ynm[w2] = 0
12: else
13: ynm[w2] = 1
14: end if
15: end while
16: end while
17: return Feature vector X and Y
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3.2.2. Finding the Optimal Number of Classes Using Clustering
Clustering is the process of dividing data points into a number of groups where similar ones are
partitioned together. In Algorithm 1 we described a novel process to build assignment submission
feature vectors for each assignment. Outputs of this algorithm are further used to group students with
similar behavioral categories by means of a clustering technique. Different numbers of clusters help to
detect the students with learning difficulties, and adds a class-label to the feature vectors.
The spectral technique has been employed successfully by many researchers in data mining
(e.g., [40]), as it is one of the most popular modern clustering methods in data mining. The spectral
technique does not specify the number of clusters, requiring manual specification of the number of
clusters. As this number is often unknown, several trials of the k value are needed until a good balance
is found where larger and smaller values might result in too detailed and coarse clusters, respectively.
In such cases, the optimal number of clusters can be identified by various approaches, among them
the Elbow method. In this method, after computing the clustering methods for different k values, a
distortion score is calculated, which is the sum of the square of the distances from each point to its
assigned center. The suitable number of cluster is then specified by a bend (knee) location in the plot.
We, in the present study, employ spectral clustering and the Elbow method to find the optimal number
of clusters. However, before application of the Elbow method to find the optimal number of clusters,
we statistically analyze different number of clusters generated by the clustering algorithm (k = 2, 3, and
4). Algorithm 2 illustrates the process of spectral clustering, finding the optimal number of clusters,
and validation (further analysis) of the optimal number of clusters.
Algorithm 2 Discovering the optimal number of clusters using the Elbow method
Input: feature vectors (outputted from algorithm 1) without class labels, the maximum number of clusters k
Output: (validated) optimal number of clusters
1: while i k do
2: Construct a similarity graph and let W be its weighted adjacency matric
3: Compute the unnormalized Laplacian L
4: Compute the first k eigenvectors u1, . . . , uk of the generalized eigenproblem Lu = λDu
5: Let U ∈ Rn∗k be the matrix containing the vectors u1, . . . , uk as columns
6: For i = 1, . . . , n let yi ∈ Rk be the vector corresponding to the i-th row of U
7: Cluster the points
yi
i = 1,...,n
. in Rk with the k-means algorithm into clusters C1, . . . , Ck
8: Calculate distortion score
9: end while
10: Plot the curve of distortion score according to the number of clusters k
11: Consider the location of a bend (knee) in the plot as the optimal number of clusters
12: Validate the optimal number of cluster through further (statistical) analysis of different number of clusters
13: return the optimal number of clusters
3.2.3. Classification of Students Using Class Labels
Once the best set of clusters is found by the clustering method (outputted from Algorithm 2), a
predictor is trained to classify students into different classes. To do so, various classification methods are
compared to find the most suitable classifier for predicting students’ procrastination behavior. These
include linear and radial basis function kernel support vector machines (L-SVM and R-SVM), Gaussian
processes (GP), Decision Tree (DT), Random Forest (RF), Neural Network (NN), AdaBoost (ADB), and
Naive Bayes (NB). These classification methods are selected due to their popularity—the fact that they
have been successfully used by many researchers in EDM research—and high performance compared
to traditional methods (e.g., [36,44]). The classification methods with different numbers of classes are
then compared by means of four different evaluation measures, namely accuracy, F1-score, precision,
and recall. This process, along with the generalized algorithm of PPP, is illustrated in Algorithm 3,
where 5-, 10-, 15-, and 20-fold cross-validation is used in classification, dividing the data into two parts
10. Entropy 2020, 22, 12 10 of 24
with the purpose of statistically comparing and evaluating the learning algorithms. In other words,
different k-fold (i.e., 5, 10, 15, and 20) is used to show the stability of the models. Observe that during
the experiment the training and test set division will remain constant.
Algorithm 3 PPP: Prediction of students’ performance through procrastination behavior
Input: OpenDa, FirstviewDa, SubmissionDa, Deadlinea, S, A
Output: prediction of procrastination behavior (if a student is procrastinator, procrastinator candidate, or
non-procrastinator)
1: Implement algorithm 1 to build feature vector X and Y
2: Implement algorithm 2 to produce the optimal number of clusters from the feature vector
3: Apply classification algorithm using class labels
4: L-SVM, R-SVM, GP, DT, RF, NN, ADB, and NB
5: Compare classification algorithm performance by using test data
6: Pc = P1, P2, P3, . . . , Pn
7: while i = n do
8: if Pci Pci+1 then
9: C ← ci .
10: else
11: C ← ci+1
12: end if
13: end while
14: Choose the best performed classification algorithm C
15: Employ the classification C to predict procrastination
16: return prediction of procrastinator, procrastinator candidate, or non-procrastinator
4. Experimental Results
4.1. Dataset
We used in our experiment activity data of students extracted from the University of Tartu’s
Moodle system which usually logs performed students’ activities. The blended course that we collected
data from was entitled “Teaching and Reflection” which is taught as a compulsory course for all teacher
education students in the Institute of Education. Basically, blended courses use Moodle as a means for
interaction beyond classroom. More specifically, instructors design their courses using the Moodle
platform—where they divided the courses into several modules where there exist various types of
resources (learning materials), tasks (usually quizzes), and assignments related to each module—and
ask students to perform various online activities. For each assignment, there is an opening time (an
instructor may create a course well before the beginning of a semester but opens it up to students
shortly after the semester has started) and a deadline specified by the instructor where students have
to submit or upload their assignment.
4.2. Label
We extracted four variables from the logs of the courses, including the open date of an assignment
(OpenD), the date of first view of the assignment (FirstviewD), the date of assignment submission
(SubmissionD), and the due date of the assignment (Deadline). We created two datasets using the
variables for further analysis, listed in Table 3.
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Table 3. Datasets used in this study.
Course Period Type # of Assignments # of Students
Dataset 1
(16 continuous features)
Teaching and
reflection
2019 blended 8 242
Dataset 2
(16 categorical features)
Teaching and
reflection
2019 blended 8 242
4.3. Results
Before using a clustering technique in our approach, however, it is required to present descriptive
statistics of spare time (v1), inactive time (v2), and assignment scores (see Table 4). Table 4 reveals a
positive correlation between spare time and assignment scores in the course. Nonetheless, there exists
a negative link between assignment score and inactive time.
Table 4. Statistical analysis.
Spare Time (v1) Inactive Time (v2) Score
spare time (v1) 1 –0.495 0.901
inactive time (v2) –0.495 1 –0.508
score 0.901 –0.508 1
count 242 242 242
mean 7.185 4 80.902
standard deviation 1.867 2.578 24.579
minimum 0 0 –3.333
maximum 8 8 100
4.3.1. Phase 1: Clustering Development and Analysis
As mentioned previously, to decide the correct number of classes of students with similar
behavioral categories, we employed the Elbow method along with further (statistical) analysis. Figure 2
shows the mean and standard deviation of the clusters (both v1 and v2) produced by the spectral
method with different values of k = 2, 3, and 4.
Figure 2a illustrates two different clusters for the feature vectors: Cluster A with a small inactive
time and relatively large spare time, and Cluster B with a larger inactive time and a smaller spare time
than cluster A. Those in Cluster A are considered as non-procrastinators with a high average score
(average = 85.95 and SD = 14.68), while those in Cluster B are considered as procrastinators with a
lower average score (average = 24.61 and SD = 18.21). Figure 2b shows three different clusters, for
the feature vectors, when the value of k is at 3. Cluster A has a higher average score (average = 88.48
and SD = 10.16), smaller inactive time, and a relatively larger amount of spare time compared to
Clusters B and C, so we consider them as a group of non-procrastinators. Cluster B (average = 61.45
and SD = 20.24) appears to have a lower and higher average scores than Clusters A and C, respectively.
Additionally, inactive times are almost larger than in Cluster A and smaller than in Cluster C, whereas
spare times are relatively larger than in Cluster C and smaller than in Cluster A. Those in this cluster
can be regarded as procrastinator candidates. Finally, those in Cluster C, with a lower average score
(average = 6.75 and SD = 15.62) than the other two, can be considered as procrastinators.
Figure 2c shows four different clusters, for the feature vectors, when the value of k is at 4. As
it can be seen, Cluster A (average = 90.1 and SD = 7.21), B (average = 86.3 and SD = 12.84), and
C (average = 56.82 and SD = 20.56) appear to have high average score, whereas cluster D has a
very low average score (average = 2.25 and SD = 6.02). Clusters A and B, with small inactive times
and larger spare times compared to other clusters, and higher average scores can be considered as
non-procrastinators. Cluster D, with the lowest average score, has the greatest inactive time and
smallest spare time than the other three clusters and can be seen as procrastinators, while Cluster C with
a relatively high average score, large inactive time, and small spare time can be called procrastinator
12. Entropy 2020, 22, 12 12 of 24
candidates. This result shows that, overall, as the average assignment score decreases, the inactive
time tends to increase, while spare time has a tendency to decrease.
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(a)
(b)
(c)
Figure 2. Clusters produced by the spectral method: (a) k at 2, (b) k at 3, and (c) k at 4.
-4
-2
0
2
4
6
8
10
12
Three clusters
Spare time Inactive time
-4
-2
0
2
4
6
8
10
12
Four clusters
Spare time Inactive time
Figure 2. Clusters produced by the spectral method: (a) k at 2, (b) k at 3, and (c) k at 4.
13. Entropy 2020, 22, 12 13 of 24
In Figure 3, using the Elbow method, the optimal number of clusters are shown. More specifically,
Figure 3a,b shows the elbows for continuous and categorical features, respectively. As the figure
demonstrates, the optimal number of clusters for both continuous and categorical features is three. We
thus decide, according to our cluster analysis—that showed no distinct group can be formed beyond
three—and the Elbow result, to consider three as the optimal cluster number.
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In Figure 3, using the Elbow method, the optimal number of clusters are shown. More
specifically, Figure 3a,b shows the elbows for continuous and categorical features, respectively. As
the figure demonstrates, the optimal number of clusters for both continuous and categorical features
is three. We thus decide, according to our cluster analysis—that showed no distinct group can be
formed beyond three—and the Elbow result, to consider three as the optimal cluster number.
(a) (b)
Figure 3. Elbow result: (a) Continuous features, and (b) categorical features.
4.3.2. Phase 2: Classification
We applied in this study eight different classification methods to classify the data. We then
compared the performance of the classification methods—produced by linear and radial basis
function kernel support vector machines (L-SVM and R-SVM), Gaussian rocesses (GP), Decision Tree
(DT), Random Forest (RF), Neural Network (NN), AdaBoost (ADB), and Naive Bayes (NB)—with
three different numbers of classes. Regarding the parameters used in the classification methods in
our experiments, we set the regularization parameter C = 0.025, degree d = 3, and learning rate ε =
0.001 for L-SVM; C = 1.0, degree d = 3, and learning rate ε = 0.001 for R-SVM; kernel = 1.0 × RBF (1.0)
for GP; maximum depth = 5, minimum samples split = 2, and minimum samples leaf = 1 for DT;
number of estimators = 10, maximum depth = 5, and minimum samples split = 2 for RF; hidden layer
size = 100, activation function = ‘relu’, adam optimization, and learning rate ε = 0.001 for NN; number
of estimators = 50 and learning rate = 1.0 for ADB; and, finally, smoothing = 1 × 10−9 for NB. We used
accuracy, F1-score, precision, and recall as performance metrics to evaluate the classification
techniques. Table 5 lists the average of all performance metrics at different k-fold for all classification
methods.
Figure 3. Elbow result: (a) Continuous features, and (b) categorical features.
4.3.2. Phase 2: Classification
We applied in this study eight different classification methods to classify the data. We then
compared the performance of the classification methods—produced by L-SVM and R-SVM, GP, DT,
RF, NN, ADB, and NB—with three different numbers of classes. Regarding the parameters used in
the classification methods in our experiments, we set the regularization parameter C = 0.025, degree
d = 3, and learning rate ε = 0.001 for L-SVM; C = 1.0, degree d = 3, and learning rate ε = 0.001 for
R-SVM; kernel = 1.0 × RBF (1.0) for GP; maximum depth = 5, minimum samples split = 2, and
minimum samples leaf = 1 for DT; number of estimators = 10, maximum depth = 5, and minimum
samples split = 2 for RF; hidden layer size = 100, activation function = ‘relu’, adam optimization, and
learning rate ε = 0.001 for NN; number of estimators = 50 and learning rate = 1.0 for ADB; and, finally,
smoothing = 1 × 10−9 for NB. We used accuracy, F1-score, precision, and recall as performance metrics
to evaluate the classification techniques. Table 5 lists the average of all performance metrics at different
k-fold for all classification methods.
According to Table 5, in two-class with continuous and categorical features, L-SVM and R-SVM
with 99% accuracy show superior performance, respectively. In regard to three-class, L-SVM likewise
shows the best performances with 95% accuracy in continuous features. However, NN with 96%
accuracy, outperformed other methods with categorical features. In four-class with continuous and
categorical features, similar to three-class with categorical features, NN shows a better performance
with 88% accuracy compared to other methods.
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Table 5. Performance metrics for all classification methods.
Cluster 2 L-SVM R-SVM GP DT RF NN ADB NB
Continuous Features
Precision 0.992 0.974 0.981 0.983 0.983 0.985 0.987 0.985
Recall 0.993 0.980 0.984 0.985 0.985 0.986 0.986 0.984
Accuracy 0.993 0.980 0.984 0.985 0.985 0.986 0.986 0.984
F1-score 0.993 0.982 0.986 0.986 0.986 0.987 0.988 0.986
Categorical Features
Precision 0.984 0.992 0.989 0.991 0.990 0.990 0.990 0.989
Recall 0.992 0.996 0.994 0.996 0.995 0.994 0.994 0.994
Accuracy 0.992 0.996 0.994 0.996 0.995 0.994 0.994 0.994
F1-score 0.996 0.998 0.997 0.998 0.997 0.997 0.997 0.997
Cluster 3 L-SVM R-SVM GP DT RF NN ADB NB
Continuous Features
Precision 0.957 0.934 0.943 0.935 0.935 0.940 0.931 0.892
Recall 0.952 0.929 0.937 0.927 0.926 0.933 0.920 0.885
Accuracy 0.952 0.929 0.937 0.927 0.926 0.933 0.920 0.885
F1-score 0.952 0.930 0.938 0.929 0.928 0.935 0.922 0.886
Categorical Features
Precision 0.867 0.920 0.938 0.946 0.950 0.952 0.954 0.956
Recall 0.930 0.954 0.961 0.963 0.963 0.965 0.963 0.962
Accuracy 0.930 0.954 0.961 0.963 0.963 0.965 0.963 0.962
F1-score 0.963 0.970 0.974 0.975 0.974 0.975 0.973 0.973
Cluster 4 L-SVM R-SVM GP DT RF NN ADB NB
Continuous Features
Precision 0.764 0.809 0.862 0.861 0.862 0.877 0.850 0.813
Recall 0.842 0.841 0.880 0.868 0.868 0.881 0.837 0.805
Accuracy 0.842 0.841 0.880 0.868 0.868 0.881 0.837 0.805
F1-score 0.899 0.874 0.903 0.888 0.885 0.896 0.852 0.820
Categorical Features
Precision 0.596 0.778 0.843 0.856 0.858 0.866 0.848 0.855
Recall 0.719 0.840 0.887 0.886 0.881 0.889 0.870 0.873
Accuracy 0.719 0.840 0.887 0.886 0.881 0.889 0.870 0.873
F1-score 0.788 0.874 0.911 0.905 0.898 0.905 0.889 0.891
Additionally, Figures 4–6 display different k-fold for all performance metrics (namely, precision,
accuracy, and F1-score) of the classification methods in two-, three-, and four-class, respectively.
Table A1 in the Appendix A lists the values of all performance metrics of the classification methods in
three classes. Observe that due to the high similarity between the result of recall and accuracy, we
decided not to produce figure to show the result of recall.
As Figure 4a shows, in two-class, L-SVM appears to have a higher precision with continuous
features than other methods in different k-folds, whereas R-SVM shows the best precision with
categorical features in different k-folds. Figure 4b,c shows the same for accuracy and F1-score in
two-class, with L-SVM and R-SVM performing the best among other methods in continuous and
categorical features (at different k-folds), respectively. Furthermore, different values of k-fold result in a
slight increment or decrement of precision, accuracy, and F1-score in all classification methods.
15. Entropy 2020, 22, 12 15 of 24
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(b)
(c)
Figure 4. Performance metrics of classification methods at different k-fold for two-class: (a) precision,
(b) accuracy, and (c) F1-score.
Figure 4. Performance metrics of classification methods at different k-fold for two-class: (a) precision,
(b) accuracy, and (c) F1-score.
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Entropy 2020, 22, x FOR PEER REVIEW 17 of 25
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(a)
(b)
(c)
Figure 5. Performance metrics of classification methods at different k-fold for three-class: (a)
precision, (b) accuracy, and (c) F1-score.
Figure 5. Performance metrics of classification methods at different k-fold for three-class: (a) precision,
(b) accuracy, and (c) F1-score.
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Entropy 2020, 22, x FOR PEER REVIEW 18 of 25
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(a)
(b)
(c)
Figure 6. Performance metrics of classification methods at different k-fold for four-class: (a) precision,
(b) accuracy, and (c) F1-score.
Figure 6. Performance metrics of classification methods at different k-fold for four-class: (a) precision,
(b) accuracy, and (c) F1-score.
18. Entropy 2020, 22, 12 18 of 24
In three-class, according to Figure 5, L-SVM shows the highest precision with continuous feature
among all classification methods at different k-fold. However, unlike two-class categorical features, NB
has the best precision using categorical features at different k-fold. Regarding the accuracy of three-class,
the best performance in continuous and categorical features belong to L-SVM and NN at different
k-fold, respectively. Lastly, concerning F1-score, L-SVM and NN likewise show a better performance
with continuous and categorical features compared to other methods. Regarding performance of
classification methods at different k-fold, similar to two-class, different values of k-fold cause a slight
increment or decrement of precision, accuracy, and F1-score in all classification methods, showing the
stability of our proposed approach.
In four-class, according to Figure 6, NN in several cases outperforms other methods in continuous
and categorical features when it comes to precision and accuracy at different k-fold. However, in
F1-score, GP almost outperforms all other methods in both continuous and categorical features at
different k-fold. Similar to two- and three-class, different values of k-fold lead to a slight increment or
decrement of precision, accuracy, and F1-score in all classification methods.
Considering our findings shown in Table 5 and Figures 4–6, it can be concluded that L-SVM
and R-SVM are the best classification methods in two-class, at different k-fold, with continuous and
categorical features, respectively. In terms of three-class, our results highlight L-SVM and NN as the
best performed methods at different k-fold for continuous and categorical features, respectively. Finally,
in four-class, NN mostly performs the best in both continuous and categorical features at different k-fold.
Regarding employing different number of k-folds on the methods, we found that, in our proposed
approach, most of the methods tend to be rather stable using different k-folds. This means in both
situations—when differences between training and test set size is large or rather small—classification
methods appear to be stable in our approach regardless of their bias.
5. Discussion
We proposed in this study a novel algorithm for automatic assessment of students’ performance
through procrastination behaviors by using their assignment submission data (called PPP). PPP can,
in a timely manner, predict and identify students facing learning difficulties at the beginning of the
semester and provide educators with an opportunity to intervene when necessary (by taking necessary
remedial actions). For example, educators can keep those students that are flagged procrastinators
or procrastination candidates by PPP under observation and provide them with further assistance in
completing their assignments. More interestingly, instructors can offer feedback to all three groups of
students—procrastinators, procrastination candidates, and non-procrastinators—according to PPP.
Offering timely feedback (produced through different means, such as the prediction of students’ future
behaviors and learning difficulties) to students rather than giving feedback at the end of semester is an
important factor in their academic performance. As reported by many researchers, e.g., [52,53], regular,
timely, and appropriate feedback plays an important role in both reducing procrastination tendencies
and boosting students’ performance. Michinov et al. [53] stated that informing students about their
peers’ performance could potentially reduce their procrastination tendencies, whereas Tuckman [52]
noticed that encouraging and motivating students could lead to decreased procrastination tendencies.
PPP has been designed and developed to automatically detect different type of procrastination
behaviors and could be considered as a generalized approach, making it a good candidate for providing
personalized learning for students with different needs. To develop PPP, we firstly, in a novel
way, calculated spare time and inactive time—time that goes by from when a student submits the
assignments until the assignment is due and time that goes by from when assignments becomes open
until a student views it for the first time, respectively—for developing feature vectors which represent
students’ submission behaviors. It should be noted that, unlike many existing works that ignore the
actual students’ behavioral patterns (for example, one can submit his/her assignment on-time, but
be a candidate for future procrastination) before the homework due date in the decision-making of
their proposed approach, PPP takes into account on-time, late, or non-submissions, and the students’
19. Entropy 2020, 22, 12 19 of 24
behavioral patterns before the homework due date to have a comprehensive students’ submission
behavior during the whole semester.
Secondly, using the feature vectors and Algorithm 2, we clustered students with similar behaviors
in different groups, namely procrastinators, procrastination candidates, and non-procrastinators.
Spectral clustering is used in this study (see Algorithm 2) to identify different clusters. In two clusters,
Cluster A and B, with a small and rather large inactive times, and large and small spare time are
considered as the non-procrastinators group (with a high average score) and procrastinators (with
a low average score), respectively. In three clusters, Cluster A and C have the highest and lowest
average score, smallest and largest inactive time, and largest and smallest spare time, respectively.
Therefore, Cluster A is considered as non-procrastinators group and Cluster C as procrastinators.
Cluster B, however, is regarded as procrastination candidate group with a medium average score
(average = 61.45). Regarding four clusters, cluster A, B, and C appear to have a high average score, and
cluster D has a very low average score. Cluster A and B with a small inactive time and bigger spare
time compared to other clusters, and higher average scores can be considered as non-procrastinators.
Cluster D, with the lowest average score, which has the largest inactive time and smallest spare time
than the other three clusters, can be seen as procrastinators, while Cluster C with a relatively high
average score, large inactive time, and small spare time can be called procrastination candidates. These
findings suggest that the larger the average inactive time and the smaller the average of spare time
is, the lower the average of assignment score of the students is. Additionally, this analysis indicates
that no more distinct (significant) clusters can be achieved beyond three clusters. The Elbow method
also implies that three clusters is the optimal number for our data. On the other hand, it is apparent
that, for more personalization (personalized intervention), more clusters can be formed (a higher value
for k) as the number of classes increases. Consequently, we conclude that two and four clusters of
students result in either grouping procrastinators and procrastination candidates together (coarse
clusters), or having some part of the procrastination candidates’ group shared with non-procrastinators
(too detailed clusters), respectively, as our analysis showed the more clusters that are formed, the
more groups of non-procrastinators emerge (reducing procrastination candidates). According to our
analysis and the Elbow method, three clusters is the optimal number, which is well connected to the
rationalization behind PPP (he correlation between spare time, inactive time, and average score of each
cluster of students).
As a third step, we compared eight different classification methods, using four performance
metrics of precision, accuracy, F1 score, and recall, to find the most suitable classifier for predicting
students’ procrastination behaviors. According to our findings, the accuracy of the classification
methods is almost higher with a smaller number of classes and all methods appear to be sensitive to the
increment in the number of classes. In other words, the accuracy of the classification methods mostly
increases with the decrement in class numbers. According to our findings, regarding the average of all
performance metrics at different k-fold for all classification methods, among all classification methods,
L-SVM and R-SVM are the best in two-class, at different k-fold, with continuous and categorical
features, respectively. For three-class, L-SVM and NN are the best performed methods at different
k-fold for continuous and categorical features, respectively. In four-class, NN mostly performs the best
in both continuous and categorical feature at different k-fold.
As mentioned in previous sections, beyond three-class no significant group can be formed,
therefore, we focus more on the comparison of the classification methods in three-class. It should be
noted that in case educators intend to respond to students in a more personalized way, more classes
could be considered in our proposed approach. A comparison of various metrics for three-class reveals
that, for categorical features, NN outperforms other methods with precision, recall, accuracy, and
F1-score of 95%, 96%, 96%, and 97%, respectively, whereas for continuous features L-SVM could
achieve precision, recall, accuracy, and F1-score of 95%, outperforming other methods. Observe that
by increasing the number of classes, some of these methods may perform slightly lower than others.
In our approach, categorical features perform slightly better and more robust compared to continuous
20. Entropy 2020, 22, 12 20 of 24
features. Furthermore, an increment in the number of classes results in a decrement of the prediction
power of the classification methods. By employing different number of k-fold on the methods, we also
found that, in our proposed approach, most of the methods tend to be rather stable using small or
large k-folds. In other words, overall, classification methods show a slight increment or decrement of
precision, accuracy, and F1-score at different k-folds, indicating the stability of our proposed approach.
Consequently, PPP proved to successfully predict students’ performance through their
procrastination behaviors with an accuracy of 96%. Regarding the variable types used in feature
vectors, we found categorical features to be more robust and perform slightly better than continuous
features in PPP.
6. Conclusions
Students’ procrastination tendency is frequently named by several researchers as an important
factor negatively influencing performance of students in online learning, making its prediction a very
useful task for both educators and students. In this study, we proposed a novel algorithm, called
PPP, which uses students’ assignment submission behavior to predict their performance through
procrastination behavior. PPP, unlike existing works, not only considers late or non-submissions,
but also investigates students’ behavioral patterns before a homework due date. The proposed
approach, shown in Algorithm 3, is flexible and, in an automatic way, identifies students with different
sorts of learning difficulties in various online learning environments as they mostly share the same
characteristics as Moodle (e.g., they all mostly log opening, due, submission, and students’ first view
date of the assignments and courses). To predict students’ procrastination tendencies, PPP firstly
builds a feature vector representing the submission behavior of students for each assignment, using
inactive and spare time. It then uses clustering and classification methods to put students into different
procrastination behavior categories based on their submission behavior. A course including 242
students from the University of Tartu in Estonia was used to evaluate the effectiveness of PPP. The
results reveal that in labelling students using clustering, two and four clusters of students results
in either coarse clusters or too detailed clusters, as our analysis showed that the more clusters are
formed, the more groups of non-procrastinators emerge (reducing procrastination candidates). As our
analysis and the Elbow method show, three clusters is the optimal number, which is well connected
to the rationalization behind PPP (correlation between spare time, inactive time, and average score
of each cluster of students). Another important task was to classify students using the labels. In this
phase, we compared eight different classification methods to find the most suitable classifier for
predicting students’ procrastination behavior. Our findings in this regard show that the accuracy of
the classification methods is almost higher with a smaller number of classes and all methods appeared
to be sensitive to the increment in the number of classes. NN, with an accuracy of 96%, showed a
better performance using categorical features compared to other classification methods, while L-SVM
perform the best in continuous features with an accuracy of 95%. Finally, regarding the variable types
used in the feature vectors, we found categorical features to be more robust and perform slightly better
than continuous features. In conclusion, PPP could successfully predict students’ performance through
their procrastination behavior with an accuracy of 96%.
In future work, we aim to extend our study by using feature vectors of different lengths from
different courses. Additionally, we intend to create different hybrid feature vectors using students’
submission behavior to investigate the effect of various time-related indicators on the procrastination
behavior of students.
Author Contributions: All authors have contributed equally to the final manuscript. All authors have read and
agreed to the published version of the manuscript.
Funding: This research was partly supported by the European Regional Development Fund through the University
of Tartu project ASTRA per ASPERA.
Acknowledgments: We would like to thank the Annika Tina, Head of Academic Affairs Office of the University
of Tartu and Lehti Pilt, Senior Specialist for Educational Technology at the Lifelong Learning Centre of Academic
21. Entropy 2020, 22, 12 21 of 24
Affairs Office for their valuable contribution in extracting data from the University systems and making it available
for the current study.
Conflicts of Interest: The authors declare no conflict of interest. The funders had no role in the design of the
study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to
publish the results.
Appendix A
As mentioned in previous sections, beyond three-class no significant group can be formed,
therefore, we only present, in Table A1, performance metrics of classification methods in three-class at
different k-folds.
Table A1. Performance metrics of classification methods in three-class at different k-folds (i.e., 5, 10, 15, and 20).
Three-Class L-SVM R-SVM GP DT RF NN ADB NB
Continues Features
Precision_5 0.958 0.933 0.940 0.933 0.933 0.939 0.927 0.898
Precision_10 0.963 0.937 0.944 0.933 0.934 0.938 0.930 0.899
Precision_15 0.952 0.934 0.945 0.941 0.940 0.944 0.937 0.893
Precision_20 0.954 0.934 0.943 0.933 0.934 0.940 0.930 0.879
Categorical Features
Precision_5 0.867 0.923 0.941 0.948 0.952 0.955 0.957 0.958
Precision_10 0.866 0.913 0.934 0.941 0.944 0.945 0.949 0.949
Precision_15 0.868 0.923 0.937 0.944 0.951 0.953 0.955 0.957
Precision_20 0.868 0.921 0.941 0.951 0.953 0.955 0.957 0.959
Three-Class L-SVM R-SVM GP DT RF NN ADB NB
Continues Features
Accuracy_5 0.950 0.924 0.932 0.926 0.926 0.934 0.918 0.884
Accuracy_10 0.959 0.930 0.938 0.927 0.926 0.931 0.920 0.885
Accuracy_15 0.946 0.932 0.941 0.932 0.931 0.937 0.927 0.890
Accuracy_20 0.951 0.930 0.935 0.923 0.922 0.928 0.916 0.881
Categorical Features
Accuracy_5 0.929 0.954 0.961 0.961 0.961 0.963 0.962 0.962
Accuracy_10 0.930 0.951 0.959 0.962 0.961 0.962 0.960 0.960
Accuracy_15 0.930 0.955 0.960 0.962 0.963 0.965 0.963 0.962
Accuracy_20 0.929 0.954 0.963 0.967 0.966 0.968 0.965 0.963
Three-Class L-SVM R-SVM GP DT RF NN ADB NB
Continues Features
F1_5 0.949 0.922 0.931 0.925 0.926 0.933 0.917 0.874
F1_10 0.958 0.929 0.937 0.928 0.927 0.932 0.921 0.881
F1_15 0.948 0.935 0.944 0.936 0.935 0.940 0.929 0.895
F1_20 0.953 0.934 0.938 0.927 0.926 0.933 0.921 0.894
Categorical Features
F1_5 0.963 0.969 0.973 0.971 0.972 0.973 0.970 0.970
F1_10 0.963 0.969 0.974 0.974 0.972 0.974 0.972 0.972
F1_15 0.963 0.971 0.972 0.973 0.974 0.975 0.973 0.973
F1_20 0.962 0.972 0.979 0.979 0.978 0.979 0.978 0.977
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