Reviews study of undergraduates which evaluated the effects that variations in depth of information processing have on students' memory systems in terms of their ability to acquire and retrieve information related to different types of instructional objectives. The effect of visual versus verbal testing of visualized instruction is also examined.…

This study investigates children's spatial cognition in the microcomputer environment created by "HyperGami." Two categories of spatial cognition have been described: spatial visualization, which involves mentally rotating, manipulating and twisting two- and three-dimensional objects; and spatial orientation, which involves the ability…