A focus group refers to a. the group that becomes the focus of attention in field of observation
b. a type of group interview.
c. a group randomly chosen for observation
d. a group that purposely draws attention to itself​

A focus group is a small, but demographically similar group of people and whose reactions are studied especially in market research or political analysis in guided or open discussions about a new product or something else to determine the reactions that can be expected from a larger population. The use of focus groups is a research method that is intended to collect data, through interactive ...

Ibelieve appendix i maybe wrong