The Bell Curve: Intelligence and Class Structure in American Life
The seminal book about IQ and class that ignited one of the most explosive controversies in decades, now updated with a new Afterword by Charles Murray Breaking new ground and old taboos, Richard J. Herrnstein and Charles Murray tell the story of a society in transformation. At the top, a cognitive elite is forming in which the passkey to the best schools and the best jobs is no longer social background but high intelligence. At the bottom, the common denominator of the underclass is increasingly low intelligence rather than racial or social disadvantage. The Bell Curve describes the state of scientific knowledge about questions that have been on people's minds for years but have been considered too sensitive to talk about openly -- among them, IQ's relationship to crime, unemployment, welfare, child neglect, poverty, and illegitimacy; ethnic differences in intelligence; trends in fertility among women of different levels of intelligence; and what policy can do -- and cannot do -- to compensate for differences in intelligence. Brilliantly argued and meticulously documented, The Bell Curve is the essential first step in coming to grips with the nation's social problems.
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Cognitive Class and Education 19001990
Cognitive Partitioning by Occupation
Steeper Ladders Narrower Gates
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affirmative action AFQT American analysis Asian average IQ B/W difference babies behavior birth black-white difference blacks and whites centile Chapter child ChiSquare Prob>ChiSq cognitive classes cognitive elite compared controlling for IQ correlation crime decile DEPENDENT VARIABLE DF LogLikelihood ChiSquare discussion distribution dropout dysgenic economic effect environment ethnic differences example figure Flynn effect genetic graduates heritability high school high-IQ higher hiring illegitimacy income intelligence test IQ scores IQ tests Jensen job performance job productivity labor force Latinos less marriage Math mean IQ measure minority mothers NLSY sample normal distribution occupations overall parents percent percentile points political population poverty line predictive problems programs proportion quartile rates reason regression relationship role RSquare social socioeconomic background socioeconomic status Spearman's hypothesis standard deviation standard scores statistical Std Error studies subtests test scores tion variables verbal wages zAFQT89