This study investigates whether color and background information in motion visuals have different effects on memory and comprehension of students in various grade levels. A three-by-three factorial pretest-posttest design was used, comparing levels of visual complexity and grade levels. The instructional content was a 12-minute computer animation…

Comprehension of expository text can be assisted using hypermedia support--text plus images and speech. This kind of presentation environment, called Responsive Text, compensates for deficiencies in basic reading skills by using speech support to aid decoding, hypertext and images to provide background and vocabulary support, and interactive…