Handwriting performance was measured over baseline, direct contingent reward, and implicit reward conditions for elementary-grade children from normal classes. Extinctive reactions present under implicit reward conditions were significantly stronger for groups of eight than for paired subjects. Age-level factors were not significantly related to…

"The Bell Curve" claims that most human differences and almost all social injustices can be traced to intelligence, and that distribution of intelligence should influence distribution of educational resources to allow students to find their proper and inevitable place in society. Applied to educational policy, this vision of the world…