chapter  2
Brief Group Psychotherapy: Historical Perspectives and Contemporary Trends
Pages 13

In order to fully appreciate the applications of the brief group therapy model to managed mental health care treatment, it is helpful to have an understanding of the evolution and the typology of present day group practices. See Table 1,

Contemporary group psychotherapeutic methods are derived from two primary influences: short-term individual psychotherapy and brief group psychotherapy. Although these therapies are discussed separately, their historical development overlapped and one can be viewed as enhancing the progress of the other.