1. Focus groups can be used in various sectors like marketing, public relations, health services, and social science research to generate insights into attitudes, behaviors, and decision-making processes. 2. Proper research design and planning is required when conducting focus groups. This involves considering the facilitator, setting, participant size and composition, recruitment methods, topic guide, and addressing any ethical issues. 3. Focus groups are best for exploring perspectives and meanings that people ascribe to ideas and experiences. They provide insights into how views are formed and modified in a group context.