“…One very promising area of inquiry concerns the investigation of the effectiveness of "instructional graphics" (Holley & Dansereau, 1984). In particular, the use of graphic organizers (Alvermann, 1986;Barron, 1979) in facilitating the acquisition of information from expository material appears to be receiving much attention by researchers and practitioners alike (Engelmann, Davis, & Davis, 1982;Moore & Readence, 1984). These formats for organizing information rely on the use of lines, arrows, geometric shapes, and spatial arrangements that describe the text content, structure, and key conceptual relationships typically found in a content area text.…”