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Bates, Timothy C. – Intelligence, 2007
The general factor of mental ability ("g") may reflect general biological fitness. If so, "g"-loaded measures such as Raven's progressive matrices should be related to morphological measures of fitness such as fluctuating asymmetry (FA: left-right asymmetry of a set of typically left-right symmetrical body traits such as finger…
Descriptors: Geometry, Intelligence, Cognitive Ability, Matrices
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Rushton, J. Philippe; Cvorovic, Jelena; Bons, Trudy Ann – Intelligence, 2007
To examine whether the Roma (Gypsy) population of Serbia, like other South Asian population groups, average lower than Europeans on "g", the general factor of intelligence, we tested 323 16- to 66-year-olds (111 males; 212 females) in three different communities over a two-year-period on the Raven's Colored and/or Standard Progressive…
Descriptors: Cognitive Ability, Foreign Countries, Intelligence, Ethnic Groups
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Lynn, Richard; Irwing, Paul – Intelligence, 2004
A meta-analysis is presented of 57 studies of sex differences in general population samples on the Standard and Advanced Progressive Matrices (SPM and APM, respectively). Results showed that there is no difference among children aged 6-14 years, but that males obtain higher means from the age of 15 through to old age. Among adults, the male…
Descriptors: Intelligence Quotient, Intelligence, Gender Differences, Matrices