Describes a study of college students that explored the effect of integrating metaphorical strategies in various graphic representations for learning biotechnology concepts. Highlights include student motivation, the use of a criterion-referenced test, and student attitudes as determined through interviews and observations. (Author/LRW)

Investigated the effects of presentation format (animation, still graphics, text) and the students' prior knowledge on learning a computer-based physics lesson in grades eight and nine. Results of an analysis of covariance indicated that specific presentation formats are not equally effective for the different prior knowledge groups. (Author/LRW)