AbstractAdvancement in computer technology has triggered the development of multimedia CALL programs which can present information in different formats using graphics, text, and video with links to other types of information. The purpose of this study was to examine the effects of two multimedia CALL programs on vocabulary acquisition. Samples of the study were 86 intermediate level English as a second language (ESL) students. They were randomly assigned to one of two treatment groups. Students in group one viewed a program with Motion Graphics and text. Students in group two viewed a program that had Still Graphics and text. Their task was to study ten names of hand and power tools. Both groups took the pretest, viewed the video on the tools, and had an immediate posttest and a two-week delayed posttest. Both Motion Graphics and Still Graphics were found to be effective in vocabulary learning in this study. Learning occurred significantly in both groups. However, students in the Motion Graphi.....