As in groups for other special populations, it is the leader's responsibility to stress the importance of confidentiality. Adolescents may use personal information gathered in a group for gossip or simply to be vindictive. In either case, the information is harmful. and such action must be prevented. One preventive measure is for leaders to state rules about confidentiality during the first session and every session thereafter Leaders must also deal immediately with any potential breach in confidentiality and determine what has occurred. Finally, if confidentiality is broken. then leaders either enforce rules or have the group itself deal with the problem. In any case. must leader's responsibility must be exercised.