Add to ORKGMany findings have been made concerning motion-picture effectiveness as a teaching technic for school pupils, but little similar work has been done on a college level. The new sound film Electrodynamics produced by Erpi Picture Consultants was studied in detail to find: (1) The learning produced by two showings of the film: (2) The effect of an additional stimulus to learning in the form of a study sheet to be used during the class hour when the picture was shown; (3) The variation in the first two effects with class quartiles; (4) The ability to transfer new learning to specific situations not used in the pictttre; (5) The effect of knowing facts about a principle on the ability to transfer and use the principle in a new situation