This commentary documents errors in the statistical analyses and interpretation of empirical evidence in "The Bell Curve" by R. Herrnstein and C. Murray (1994). "The Bell Curve" neglects the role of education and grossly overstates the case for IQ as a determinant of social success. (SLD)

Artificial Intelligence researchers and cognitive scientists commonly believe that thinking involves manipulating representations. Thinking involves search, inference, and making choices. This is how we model reasoning and what goes on in the brain is similar. Winograd and Flores present a radically different view, claiming that our knowledge is…

The two key theoretical propositions of "Practical Intelligence in Everyday Life" are made plausible only if one ignores considerable evidence contradicting them. The six key empirical claims rest primarily on the illusion of evidence enhanced by selective reporting of results. (SLD)

Makes the case that the arguments of F. Schmidt and J. Hunter in favor of the correction for attenuation in theory testing are based on mistaken assumptions. Outlines arguments against the routine use of correction for attenuation, focusing on the relationship between true scores and construct scores. (SLD)

"The Bell Curve" by Richard Herrnstein and Charles E. Murray has created a great deal of controversy because of its assertion that the key to explaining inequality and social problems in the United States is stratification by a unitary entity called intelligence, or cognitive ability, as measured by the intelligence quotient (IQ). Their…

Comments on the other papers in this theme issue and presents a speculative account of inspection time (IT). IT is viewed as an index of core information-processing ability that has a causal influence on the development of complex intellectual skills. (Author/SLD)

This biography explores the many scientific interests and contributions of Francis Galton and outlines his psychological studies as a "detour" from his major works that lasted from 1877 to 1885. Galton's interest in heredity was a focus of the second half of his life, the first having concentrated on geography and exploration. (SLD)

This new edition of one of the classic works of psychology highlights the achievements of this pioneer in the study of intelligence and child development. (SLD)

This paper reviews the book "The Bell Curve" by Harvard psychologist Richard J. Herrnstein and political scientist Charles Alan Murray. The paper asserts as the book's main points and implications: (1) one's socioeconomic place in life is now determined by IQ rather than family wealth and influence; (2) ruling white elites, who have…

Few books have generated as much controversy as the recently published "The Bell Curve: Intelligence and Class Structure in American Life." The tremendous polarization on the issue of the relationship between intelligence quotient (IQ) to race and social class, reinforced by the book, and the potential this book has for undermining…

Collection of reviews of the controversial book "The Bell Curve" includes an annotated bibliography of 36 reviews in professional journals, edited books, and the popular press; a critique of the book's statistical appendixes; comments from John Goodlad, Howard Gardner, and others; discussion of heritability estimates; and summaries of a…

Urges educators and citizens to ignore the hype surrounding "The Bell Curve" and to grasp the ethnocentrism (or racism) that underlies eugenicist arguments. Both Carnoy and Ladson-Billings offer hope to those supporting educational equity and the appreciation of diversity. (SLD)

The Goldstein-Scheerer Tests of Abstract and Concrete Thinking are reviewed. This evaluative summary supplements several reviews in the Mental Measurements Yearbook series. The Goldstein-Scheerer tests are used by clinicians and researchers to distinguish normal individuals (those able to engage in two qualitatively different levels of cognitive…

Finds several difficulties with the theory advanced by R. Howard and shows that alternative explanations relating to changes in the chess environment, including increased access to chess knowledge, offer better explanations for the increased presence of young players at top-level chess. (SLD)

The Bradley Foundation paid coauthor Charles Murray $1 million to write "The Bell Curve." This support typifies the highly ideological research favored by conservative foundations seeking to mold public policy. The book's key educational policy recommendation dovetails with Bradley's top educational priority: support for school choice…