This elaboration and critique is the final article in a four-part series that presents the empirical foundation, parameters, and applications of a multidimensional model for organizing research on group psychotherapeutic process. (Author)

The present form of the GTOI is presented. The authors believe it has considerable potential as a set of guidelines for investigation of group outcome, as a systematic framework for reviewing the adequacy of published research, and as a tool for training students in the intricacies of research methodology. (Author)

Results demonstrated that self-revealing therapists were judged as more friendly, disclosing, trusting, intimate, helpful and facilitating but also as less relaxed, strong, stable and sensitive. (Author)

The present paper attempts to provide an overview of the literature on group techniques. (Author)

Tests the hypothesis that openness between coleaders has a constructive effect on group process and outcome. Results of this investigation converge to support this prediction. Quality of group process and evaluations of leadership were positively and significantly associated. Similarly, ratings of coleadership correlated in a statistically…