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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 ...
Crime and Human Nature: The Definitive Study of the Causes of Crime, James Q. Wilson, Richard J. Herrnstein, The Free Press 1985 ISBN 0-684-85266-7; Herrnstein, Richard J.; Murray, Charles (1994). The Bell Curve: Intelligence and Class Structure in American Life. New York: Free Press. ISBN 0-02-914673-9. James Heckman (March 1995). "Cracked Bell".
In the book The Bell Curve (1994), he and co-author Richard Herrnstein argue that in 20th-century American society, intelligence became a better predictor than parental socioeconomic status or education level of many individual outcomes, including income, job performance, pregnancy out of wedlock, and crime, and that social welfare programs and ...
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 Board of Scientific Affairs (BSA) of the APA had concluded that after the publication of The Bell Curve (1994) and the following debate that there were "serious misunderstandings" and "that there was urgent need for an authoritative report on these issues—one that all sides could use as a basis for discussion".
In 1994 the Pioneer-financed journal Mankind Quarterly, [155] of which Roger Pearson was the manager and pseudonymous contributor, had been described by Charles Lane in a review of The Bell Curve in the New York Review of Books as "a notorious journal of 'racial history' founded, and funded, by men who believe in the genetic superiority of the ...
The Handbook of Crime Correlates (2009) is a systematic review of 5200 empirical studies on crime that have been published worldwide. A crime consistency score represents the strength of relationships. The scoring depends on how consistently a statistically significant relationship was identified across multiple studies.
The normal distribution, also called the Gaussian or the bell curve. It is ubiquitous in nature and statistics due to the central limit theorem: every variable that can be modelled as a sum of many small independent, identically distributed variables with finite mean and variance is approximately normal. The normal-exponential-gamma distribution