Reviews research examining the effects of pictorial illustrations on learning from textbooks; notes differences in purpose, approach, and methodology; identifies some shortcomings; and offers suggestions for future research. Forty references are listed. (FM)

This study, designed to determine whether contextual organizers presented before prose passages can improve learning and retention among undergraduates with no prior knowledge of the subject, compared the effects of two types of organizers--images and their verbal equivalents--as well as organizers versus a control group. Twenty-five references…

Argues that visual literacy should be studied through a cognitive approach, and describes principles of punctuating and structuring that can be used to develop a new standard of experimental validity. Triadic interaction theory and the role of strategies in research are discussed, as well as a new orientation to research. (BK)

Describes a statistical integration of findings from 74 studies of visual-based college teaching. Results indicating that students in such instruction generally learned slightly more but that there was no effect on course completion rates or student attitudes are discussed, and 19 references are provided. (Author/BK)