Final answer:
Betsy is participating in a focus group interview, which involves discussing thoughts and opinions in an interactive group setting.
Step-by-step explanation:
Betsy and six other women participating in an unstructured, free-flowing interview where the researcher asked the group to discuss their feelings about hair care products freely is an example of a focus group interview. A focus group interview is a qualitative research method where a small group of people are asked about their perceptions, opinions, beliefs, and attitudes towards a product, service, concept, or idea. Questions are asked in an interactive group setting where participants are free to talk with other group members.