IQ variations across time and race are explained by literacy differences
نویسندگان
چکیده
منابع مشابه
Explaining Race Differences in IQ
The claim that there are genetic racial differences in IQ has been based mainly on two grounds: the evidence for high within-race heritability for IQ and the failure of various environmental explanations to account completely for mean racial differences. However, neither of these has direct relevance to the question of whether race differences in IQ have mainly a genetic or mainly an environmen...
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An analysis of IQ in relation to head size (and by inference, brain size) was performed on some 14,000 children and their full siblings, almost evenly divided by race (white and black) and sex, on whom data were obtained at ages 4 and 7 years in the National Collaborative Perinatal Project. Within each race X sex group, IQ is significantly correlated with head size, age and body size having bee...
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According to The Bell Curve (New York: Free Press, 1994), Black Americans are genetically inferior to Whites. That's not the only point in Richard Herrnstein and Charles Murray's book. They also argue that there is something called "general intelligence" which is measured by IQ tests, socially important, and 60 percent "heritable" within Whites. (I'll explain heritability below.) But my target ...
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BACKGROUND Ethnic differences in lung function (LF) are recognised in adults and children. Most prediction equations for LF are derived from whites, so non-whites are at risk of erroneous assessment. It was hypothesised that differences in chest dimensions would explain differences in LF between Asian (Indian) and white schoolchildren. AIMS To quantify the impact of chest dimensions on LF, wh...
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INTRODUCTION The purpose of this study is to analyze national and institutional trends in shoulder arthroplasty utilization by race. METHODS The Nationwide Inpatient Sample (NIS) was analyzed to determine racial trends in shoulder arthroplasty utilization nationally. An institutional database was then utilized to retrospectively identify all patients undergoing shoulder arthr...
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ژورنال
عنوان ژورنال: Nature Precedings
سال: 2007
ISSN: 1756-0357
DOI: 10.1038/npre.2007.1293.2