Document Type

Article

Publication Date

1995

Publication Title

Personality and Individual Differences

Volume

19

Issue

3

First Page

345

Last Page

353

DOI

http://dx.doi.org/10.1016/0191-8869(95)00050-G

Keywords

Academic Achievement, Cognition, Ethnicity, Evolutionary psychology, Meta-analysis, Race, Review, Social organization

Abstract

Rushton (Personality and Individual Differences, 9, 1009–1024, 1988) hypothesized that racial group differences exist across a range of behaviors from intelligence to social organization. Such differences were then discussed within the context of an evolutionary continuum (Negroid < Caucasoid < Mongoloid). For example, his observations that blacks compared to whites are less intelligent, physically mature more rapidly, and are more aggressive and impulsive (less law abiding) were said to support the evolutionary hypothesis. Quantitative replication of the 100 studies included in Rushton's original ‘review and evolutionary analysis’ and a meta-analysis of 100 randomly selected studies infer that any behavioral differences which do exist between blacks, whites and Asian Americans for example, can be explained in toto by environmental differences which exist between them.

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