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Direct linkLynn, Richard; Irwing, Paul – Intelligence, 2008
Meta-analyses are presented of sex differences in (1) the (mental) arithmetic subtest of the Wechsler intelligence tests for children and adolescents (the WISC and WPPSI tests), showing that boys obtained a mean advantage of 0.11d; (2) the (mental) arithmetic subtest of the Wechsler intelligence tests for adults (the WAIS tests) showing a mean…
Descriptors: Intelligence, Intelligence Tests, Adolescents, Mental Computation
Lynn, Richard; Raine, Adrian; Venables, Peter H.; Mednick, Sarnoff A.; Irwing, Paul – Intelligence, 2005
Sex differences on the WISC-R (Wechsler Intelligence Scale for Children-Revised) are examined in a sample of 1258 11 year olds in Mauritius. Boys obtained a significantly higher Full Scale IQ by 5.8 IQ points. Boys obtained a higher Performance IQ by 6.5 IQ points and a higher Verbal IQ by 1.0 IQ points. On the subtests, girls obtained a…
Descriptors: Foreign Countries, Measures (Individuals), Gender Differences, Intelligence Quotient
Lynn, Richard; Allik, Juri; Irwing, Paul – Intelligence, 2004
Raven's Standard Progressive Matrices (SPM) was administered to a sample of 2735 12- to 18-year-olds in Estonia. Both a scree test and the consistent Akaike information criterion (CAIC) indicated the presence of three significant factors. Exploratory and confirmatory factor analysis showed the loadings of the items on the three factors, which were…
Descriptors: Intelligence Tests, Gender Differences, Adolescents, Influences
