A study of 132 university students in four treatment groups using instructional modules on the human heart found little interaction between prior knowledge and instructional treatment. The visuals-only group produced higher scores than others on each dependent measure. Concludes prior knowledge affects achievement but how it interacts with…

A study of 144 college students divided into high and low prior-knowledge groups and assigned to four treatment groups found (1) little interaction between prior knowledge of the human cardiovascular system and treatment and (2) significant effects on the drawing test. Terminology and elaboration tests revealed little effects among treatments.…

Investigates the instructional effects of varied visual interactive strategies in facilitating student achievement and the effect of identical instructional presentations on students possessing different levels of prior knowledge. Participants were 178 college students. Results indicate that different types of interactive visualization strategies…

To investigate the effectiveness of integrating abstract and realistic visualization, the effectiveness of four treatments was measured for: (1) facilitating student achievement of different kinds of educational objectives; (2) students possessing different levels of student ability; (3) externally paced and self-paced methods of instruction; and…