Focuses on the conditions that facilitate change both in individuals and in groups. Describes the person-centered theory that began in individual psychotherapy and has been extended to others fields such as education, management, and racial relations. Connects theory of personal change with the process for achieving peace. (Author/NB)

Elaborates a theory of tension reduction among antagonistic groups that has progressed from a theory growing out of individual psychotherapy to a well-tried model used in a workshop of international leaders focused on a specific crisis situation. (Author/NB)