A REPORT ON INSTRUCTIONAL SOUND MOTION PICTURES IS PRESENTED. THE FIRST SECTION OF THE REPORT INVOLVES THE AREA OF PSYCHOLOGICAL LEARNING PRINCIPLES AND THEIR RELATIONSHIPS TO LEARNING FROM FILMS. THE LEARNING PRINCIPLES INVESTIGATED ARE--THE GREATER THE MOTIVATION, THE GREATER THE LEARNING, THE INDIVIDUAL LEARNS ONLY BY HIS OWN ACTIVITY, AND THE MORE ACTIVE THE MENTAL OR PHYSICAL LEARNING BEHAVIOR, THE GREATER THE LEARNING, THE LEARNER ACQUIRES AND REPEATS THOSE ACTIONS WHICH LEAD TO SUCCESS IN A SITUATION, WHICH SATISFY THE MOTIVATING CONDITIONS, OR WHICH ARE PERCEIVED AS MEANS TO DESIRED ENDS, AND THE CHARACTERISTICS OF THE LEARNER AFFECT HIS ABILITY TO LEARN. THE SECOND SECTION INVOLVES FILM CHARACTERISTICS, THEIR EFFECTS ON LEARNING, AND PROPOSED INVESTIGATIONS TO DETERMINE THE RELATIVE EFFECTIVENESS OF SUCH FILM VARIABLES AS COLOR, MUSIC, VOICE CHARACTERISTICS, EMOTIONAL TONE, AND HUMOR UNDER VARIOUS CONDITIONS OF LEARNING. THE LAST THREE SECTIONS INVOLVE THE DEVELOPMENT OF NEW EQUIPMENT AND PROCEDURES FOR TESTING INSTRUCTIONAL FILMS, THE RESEARCH ON METHODS OF UTILIZING FILMS IN INSTRUCTION, AND THE REVIEWS OF PERTINENT LITERATURE AND THEORETICAL SYSTEMS.