The teacher provides the interview topic, states the duration of the interview, and provides think time. In pairs, Student A interviews Student B. Then pairs switch roles.
Pairs then combine to form groups of four. Each student, in turn, shares with the team what he or she learned in the interview.
Source
Kagan, S. and Kagan, M. (2017). Kagan Cooperative Learning. San Clemente: Kagan Publishing, p.6.74.