This report discusses the current state of research into the visual effects of screen layout design, i.e., the arrangement of design elements on a screen. First, two types of design elements are described: technical (those things that engineers work with and that users have little or no control over), and comprehensibility (those elements that a…

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…