THE PURPOSE OF THIS EVALUATION WAS TO GATHER DATA FROM 35 EDUCATIONAL MEDIA SPECIALIST INSTITUTES ON (1) PERSONAL AND PROFESSIONAL CHARACTERISTICS OF INSTITUTE PARTICIPANTS, (2) CHARACTERISTICS OF THE INSTITUTES THEMSELVES, (3) THE EFFECTIVENESS OF INSTITUTE PROGRAMS, (4) THE EFFECTIVENESS OF INSTITUTE EXPERIENCES ON PARTICIPANT INTERESTS AND SKILLS, AND (5) ON-THE-JOB INFLUENCES OF INSTITUTE EXPERIENCES. DATA WERE GATHERED BY PERSONAL INFORMATION REPORT FORMS, ON-SITE VISITORS' REPORTS, AND ORIGINAL PROPOSALS AND FINAL REPORTS OF INSTITUTE DIRECTORS. THE INSTITUTES ARE DESCRIBED AS BASIC, ADVANCED, TELEVISION, SPECIAL, OR LIBRARIANSHIP. REPORTS ARE GIVEN OF DATA FINDINGS AT EACH TYPE OF INSTITUTE. (MS)