Everyone is familiar with the concept that the cube and octahedron, dodecahedron and icosahedron are dual pairs, with the tetrahedron being self-dual. On the face of it, the concept seems straightforward; however, in all but the most symmetrical cases it is far from clear. By using the computer and three-dimensional graphics programs, it is…

Examines Japanese and American children's styles of processing computerized geometric matrices. Hypothesizes cultural differences for response latencies. Finds no difference in accuracy between the two groups but significant differences in response times for second- and fifth-graders. (MW)