Final answer:
The assertion that focus groups involve showing respondents test commercials and asking questions before and after is true. This method is utilized for in-depth qualitative research in market and social studies to gauge respondents' reactions.
Step-by-step explanation:
The statement that in focus groups, respondents are shown test commercials, usually in shopping centers, and questions are asked before and after exposure is True. Focus groups are a research method used in market research as well as political and other forms of social research to gather in-depth information on a topic. Respondents are often selected through various means, including from local shopping areas or via Internet or phone surveys.
During a focus group session, respondents might view campaign ads, test products like a new laundry detergent, or discuss other subjects of interest to the group convening the session. Questions posed before and after the exposure to the stimulus are meant to gauge changes in perceptions or attitudes. This method is beneficial for obtaining qualitative data and understanding the why and how behind people's thoughts and behaviors regarding a product, service, or concept.