Which method is specifically structured to gain insights through participants actively engaging in discussion?

The method that is specifically structured to gain insights through participants actively engaging in discussion is focus groups. Focus groups consist of a small number of participants who are brought together to discuss a particular topic, product, or service. The group dynamic encourages participants to share their thoughts, feelings, and experiences, often leading to richer insights than might be obtained through individual interviews or written surveys.

The interactive nature of focus groups allows for spontaneous discussion, allowing participants to build on each other's ideas, challenge concepts, and explore different viewpoints. This collaborative atmosphere can uncover underlying motivations and feelings that might not surface in other research methods.

In contrast, in-depth interviews involve one-on-one conversations where an interviewer prompts a participant to reveal personal insights, which limits the interaction to the individual and the interviewer rather than a group dynamic. Surveys gather data through structured questions but do not allow for interactive discussion among respondents. Case studies typically focus on a comprehensive analysis of a particular instance or situation rather than facilitating a discussion among participants. Thus, focus groups stand out as the method that harnesses group interaction to elicit deeper insights.