Young preschool children aged 2 and 3 years were exposed to a novel paradigm designed to train visual perception skills. The results indicate that children of this age can be trained to perform a percept deprivation task that requires a sophisticated understanding of attention not normally mastered until 3.5-4 years. Results are discussed with…

This series of activities on spatial relationships was designed to help users acquire the skills of spatial visualization and orientation and to improve their effectiveness in applying those skills. The series contains an introduction to spatial orientation with several self-directed activities to help improve that skill. It also contains seven…

"Stereotype threat" refers to the risk associated with confirming a negative stereotype based on group membership. We examined this effect in a sample of African-American high school students. Stereotype threat was manipulated by presenting a visual spatial reasoning test as (a) diagnostic of mathematical ability or (b) a culture and…