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The Bell Curve: Intelligence and Class Structure in American Life is a 1994 book by the psychologist Richard J. Herrnstein and the political scientist Charles Murray in which the authors argue that human intelligence is substantially influenced by both inherited and environmental factors and that it is a better predictor of many personal outcomes, including financial income, job performance ...
The Bell Curve: Intelligence and Class Structure in American Life (with Richard J. Herrnstein), Free Press, 1994, ISBN 0029146739. What It Means to Be a Libertarian, Broadway Books, 1997, ISBN 0553069284. "IQ and economic success", The Public Interest (1997): 128, 21–35. Income Inequality and IQ, AEI Press, 1998.
Intelligence quotient (IQ) tests do correlate with one another and that the view that the general intelligence factor (g) is a statistical artifact is a minority one. IQ scores are fairly stable during development in the sense that while a child's reasoning ability increases, the child's relative ranking in comparison to that of other ...
Measures of intelligence often exhibit cultural bias. [4]In response to controversy sparked by the publication of The Bell Curve in 1994, a 1995 task force by the American Psychological Association found that racial and ethnic groups often have just as much or more variability of intelligence test performance within groups than between groups.
An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. [1] Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months.
The Bell Curve also led to critical responses in a statement titled "Intelligence: Knowns and Unknowns" of the American Psychological Association and in several books, including The Bell Curve Debate (1995), Inequality by Design (1996) and a second edition of The Mismeasure of Man (1996) by Stephen Jay Gould. [22] [23]
The term "curve" refers to the bell curve, ... IQ tests are norm-referenced tests, because their goal is to rank test takers' intelligence. The median IQ is set to ...
Herrnstein was the Edgar Pierce Professor of Psychology until his death, and previously chaired the Harvard Department of Psychology for five years. With political scientist Charles Murray, he co-wrote The Bell Curve, a controversial 1994 book on human intelligence. He was one of the founders of the Society for Quantitative Analysis of Behavior.