This paper proposes that three properties of graphic materials can be manipulated by instructional designers to model cognitive processes and thus help students learn. These properties are: the distance of elements in the graphic display from each other, the orientation of the elements to each other, and the sequence in which the elements are…

Intended for use by both producers and evaluators of textbooks and other print instructional materials, this review of the literature focuses on the effectiveness of illustrations for motivation and for learning, and such typographical variables as readibality, legibility, standard typographical conventions, and format and layout. Areas examined…

Discusses the differences of perception and interpretation of visual aids between African and Western students and considers the implications for designers and producers of learning materials for African students. (Author/JJD)