With funding from the National Science Foundation, NOVA/WGBH Boston with the participation of 14 U.S. and 4 international science museums have produced an IMAX/OMNIMAX film titled, Special Effects. The 40-minute film shows the techniques and methods that special effects filmmakers use along with their understanding of the human visual system to create movie illusions. Multimedia Research implemented a summative evaluation focused on the following major outcomes: To what extent did the program appeal to adult viewers? To what extent did the program achieve its intended viewing goals? What