Learner preferences for varying screen density levels were examined using multiple screen designs (high external validity) and single screen designs (high internal validity). Subjects were 23 graduate and 23 undergraduate student volunteers. When viewing multiple screens for each design in Study I, they indicated the highest preference for medium…

Investigates the effects of single- and multiple-window displays on the achievement of fourth-grade students during computer-assisted instruction by applying research-based window design guidelines. Results showed that, although there were no differences in window use, high ability students in the single window treatment demonstrated higher…