The main effects and interactions of different methods of giving student IQ information to teachers (including the self-fulfilling prophesy hypothesis of Rosenthal's "Pygmalion in the Classroom"), sex of teacher, teacher opinion of IQ testing, and student socioeconomic level are investigated. (DG)

Outlines scientific history and the gradual understanding of the evolving universe; speculates on the "purpose" of the world and man's role in it. (AL)

Designed to reassess the relationship between response speed, errors, and IQ for both sexes, and to evaluate the findings in relation to the overall pattern of data accumulated from previous investigations. (Author/AJ)

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)

Suggests, as a practical measure, that beyond providing equal educational opportunity, intellectually gifted children ought to be sought out and treated as seriously as tennis stars are. The relationship of genetics to achievement is discussed. (DM)

Factors influencing the delinquency of the educable mentally retarded are analyzed. (CK)

Uses data from earlier study by Hollender to estimate mental ages for four quartiles of intelligence for a seven-year span (ages 12-18). Comparison of four groups at some mental age with groups where age or grade is held constant, regarding realistic vocational choices, suggests that mental age concept might be more meaningful than intelligence in…

A nontechnical summary of the connection between malnutrition and intelligence, reports the findings of experimental research in animals and in human subjects. (MF)