The project staff for "Teaching Parents to Be the Primary Sexuality Educators of Their Children" designed and implemented a curriculum for use with diverse parent groups and evaluated the impact of the course. This report on the results of the evaluation includes: (1) a review of studies of the content and impact of parent-child communication about sexuality and the impact of sexuality education for parents; (2) an analysis of such programs for parents around the country; (3) procedures and findings of a needs assessment asking parents and experts what should be covered in a course; (4) an explanation of procedures and rationale for developing the model curricula; (5) a discussion of the evaluation instruments and procedures; (6) results of the evaluation of the program's success, specifically the program's impact on parents' knowledge, attitudes, and communication behavior; and (7) a summary of the results and recommendations for future program evaluation and research. A review of major theories on child development is appended. (JD)