The concept of bidirectionality represents a process of mutual influence between parent and child, whereby each influences the other as well as the dyadic relationship. Despite the widespread acceptance of bidirectional models of influence, there is still a lack of integration of such models in current research designs. Research on…

Relationships between change agent performance and outcome success within the context of group behavioral programs are identified. The evaluation of either the ultimate effectiveness, or the specific change processes in a group program often requires assessing the behavior of the change agents, as well as that of the target population. Five design…

All available research in which a therapeutic expectancy was directly assessed and than related to a measure of outcome was reviewed. The review revealed that across all studies both client and therapist expectancies appear related to improvement; however, in the better-designed research a differential pattern emerges in which client expectancy no…