This study, involving 30 elementary students with learning disabilities, found that students performed significantly better on mathematics tests given using a computer than by paper and pencil. It found no differences among variations of computer-assisted instruction, with either static or animated pictures and either utilizing or not utilizing a…

This paper describes a study in which a Picture Readability Index (PRI) was used to investigate initial and extended perceptions of photographs. Readability criteria for evaluating instructional text seems to have been in place for a long time, yet instructional visuals like photographs and illustrations have typically been subject to no such…