“…Theoretically, the greater the similarity between the therapeutic environment and the client's everyday milieu, the greater the likelihood that relevant problematic social behavior will be evoked in session, thus increasing the potential opportunities for instructive feedback and client improvements. Therefore, group therapy, in which not only the therapist but also a small group of peers are present, may be the modality of choice (Budman, Bennett, & Wisneski, 1981;Riester, 1994;Yalom, 1995). The presence of peers increases the likelihood that the therapy setting will share stimulus properties with the clients' everyday interpersonal relationships (e.g., the group as a ''social laboratory''), has built-in components that are likely present across many interpersonal settings involving more than dyadic relating (e.g., increased social anxiety, developing first impressions, sharing time, etc.…”