Progress in the Instructional Film Research Program at Pennsylvania State College during 1948 is the subject of this report. Opening with a general statement, the report covers the following areas: developments and changes in organization; status and progress of projects; number, title, status, and progress of research projects; liaison; general fiscal statement; and problems confronting the program. Preliminary reports on four separate research projects are furnished: Group Learning and Testing Equipment (the "Classroom Communicator"), Relative Effectiveness of Color and Black-and-White in Instructional Films, Especially Designed Motion Pictures (Assembly of the 40 mm. Breech Block), and Relative Effectiveness of Massed versus Distributed Film Presentations. A personnel roster is included. (GO)