6) Specify and describe four features of qualitative interviews that would be considered an advantage over quantitative structured interviews. 7) Describe the problems with validity and reliability in qualitative interviewing. What might help to overcome these problems? 8) Discuss the main features of focus groups under the following headings: the structure of the focus group, the role of the focus group facilitator, and the number of groups in a focus group study. 9) What are five specific limitations of focus groups? 10) What are five specific advantages of focus groups?