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KMID : 1159120110180030361
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Korean Journal of Rehabilitation Psychology
2011 Volume.18 No. 3 p.361 ~ p.373
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Sex Differences on the Korean Wechsler Intelligence Scale for Children (K-WISC-Ⅳ)
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Oh Sang-Woo
Oh Mi-Young
Kim Seon-Hee
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Abstract
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This study investigates cognitive sex differences in child and adolescent intelligence as measured by the Korean WISC-Ⅳ. It was hypothesized that there would be no differences attributable to sex in Full Scale IQ (FSIQ), but on various composite score levels. Sex effects were expected to be more pronounced during/after puberty than before. Some of the standardization sample of the Korean WISC-Ⅳ (N=508) was used to assess and evaluate sex differences in test performance across defined age groups (6-9, 10-12, and 13-16 years). At all ages, there were no gender effects in the Full-Scale IQ, Verbal Comprehension Index and Working Memory Index. Age-specific effect with 10-12-year-old children was found in the Perceptual Reasoning Index. In the Processing Speed Index, girls scored higher than boys and this finding was the most prominent in our data. No significant sex-by-age interaction effect was found in Full-Scale IQ, Verbal Comprehension Index, Perceptual Reasoning Index, Working Memory Index and Processing Speed Index using two-way ANOVA. The limitations of this study and suggested directions for future research were discussed.
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KEYWORD
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children, adolescents, intelligence, sex differences, K-WISC-Ⅳ
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