The aim of this research was to establish whether gender and age have an impact on spatial reasoning and its development through the use of 3D modeling. The study was conducted on a sample of 196 children from sixth to ninth grade, of whom 95 represented the experimental group and 101 the control group. The experimental group received 3D modeling…

This experimental study used graduate student participants to investigate the comparative perceptibility of hypertext navigation buttons in various configurations, using pictorial symbols and text labels. Findings indicate that buttons with both pictorial symbols and text labels resulted in significantly less user confusion. (Author/LRW)

Describes longitudinal studies conducted at the Drexel Early Childhood Center (Pennsylvania) that used Self-Controlled Interactive Learning Systems to teach reading skills. Standardized test scores for at-risk students are compared with other students; experimental and control groups using standard instruction are compared; and studies of…