A laboratory learning intervention in a new high school had a durable effect upon both faculty and students; (a) teachers exhibited greater interpersonal openness and acceptance of conflict, and (b) students saw the faculty as more receptive and themselves as more responsible and coactive, both in and out of the classroom. (Author)

This paper describes an experiment involving the use of laboratory education (Bradford, Gibb, & Benne, 1964; Bennis & Schein, 1965) and was designed on the assumption that improvement of communication in managerial workgroups enhances task effectiveness. (Author)