After a brief historical look at personal growth groups, this paper traces the steps involved in the development and evaluation of simulation materials which were designed to aid the group leader's understanding of his affect in the member/leader relationship. It examines the concept of this specific relationship in personal growth groups. Groups…

Two-level data sets are frequently encountered in social and behavioral science research. They arise when observations are drawn from a known hierarchical structure, as when individuals are randomly drawn from groups that are randomly drawn from a target population. When the covariance structures in the group level and the individual level are the…