It is generally believed that the best focus groups are composed of participants who share heterogeneous characteristics.
a) true
b) false

False

Explanation:

The best focused groups are composed of individuals who share similar characteristics (homogeneous groups). On the contrary, heterogeneous groups are hardly focused as they do not share anything common similarities.

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.