The problem of this study was an analysis of the effects of a selected strategy for bringing about changes in stereotypic sex role attitudes of teacher trainees during their teacher education program. The major purposes of this investigation were to (1) develop a preservice treatment program, characterized by the persuasive communication approach, to modify students' stereotypic sex role attitudes, (2) determine the effectiveness of the strategy in modifying students' attitudes, and (3) examine student factors that influence reception and yielding to a persuasive message.