Listening Quiz: Sử Dụng Nhóm Tập Trung với Dữ Liệu Khảo Sát – Advanced Level

1. What is the main topic of the conversation?
2. What does David say focus groups provide?
3. According to David, what do focus groups show that surveys do not?
4. What can be inferred about Mia’s opinion of focus groups by the end of the conversation?
5. Why does David recommend combining survey data with focus groups?

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