Authors propose that the most significant differences among people in learning situations are intrinsic, and discuss developing individualized instruction programs for typical classroom subject matter through the use of prototypic learner models. (Editor)

As predicted, the relationship of need for approval, grades, and family sibling structure to social self-esteem was different for each sex. The results support the hypothesis that males must succeed in culturally masculine roles to maintain self-esteem. (Author)

The results support the Jensen thesis that there are wide and significant inter and intra child differences in the profiles of retarded children's capabilities and their academic or readiness levels. (Author)

The problems encountered in trying to identify gifted and creative students. (RA)

Indicates why selective breeding for intelligence is biologically practical and suggests that positive eugenics is the only answer now available to our need for more intelligence. Procedure does not seem immoral. Quotes H. J. Muller's values to be recognized in eugenic planning." Does not prescribe program. (AL)