Commentary on "The Bell Curve." Points out that Herrnstein and Murray do not acknowledge their politically conservative funding sources. Discusses bias and inadequacies of IQ tests, lack of evidence of intergenerational reproduction of occupational classes, current underemployment of highly educated people, and the authors'…

While debates over the heritability of IQ and the potential for culture bias in measuring instruments have generated much research and public comment, it is also possible to investigate the significance of interracial differences in mean IQ by ignoring both the foregoing issues and instead examining the social psychology of the test situation…

"Psychological Assessment in Education and Social Class," a paper presented at the University of Missouri conference on the "Legal and Educational Consequences of the Intelligence Testing Movement: Handicapped and Minority Group Children," is provided. The historical origins of the scheme of norm-referenced testing and the evidence questioning its…

Swedish longitudinal studies of twins support Scarr-Salapatek's explanation of nature-nurture influences on intelligence. This model predicts more genetic variance in test results for advantaged than disadvantaged groups. Jensen's work, however, suggests equal amounts of variance among different social classes. (Author/CP)