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Factor structure and sex differences on the Wechsler Preschool and Primary Scale of Intelligence in China, Japan and United States



Factor structure and sex differences on the Wechsler Preschool and Primary Scale of Intelligence in China, Japan and United States



Personality and Individual Differences 50(8): 1222-1226



This study presents data on the factor structure of the Wechsler Preschool and Primary Scale of Intelligence (WPPSI) and sex and cultural differences in WPPSI test scores among 5- and 6-year-olds from China, Japan, and the United States. Results show the presence of a verbal and nonverbal factor structure across all three countries. Sex differences on the 10 subtests were generally consistent, with a male advantage on a subtest of spatial abilities (Mazes). Males in the Chinese sample obtained significantly higher Full Scale IQ scores than females and had lower variability in their test scores. These observations were not present in the Japan and United States samples. Mean Full Scale IQ score in the Chinese sample was 104.1, representing a 4-point increase from 1988 to 2004.

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Accession: 053189848

Download citation: RISBibTeXText

PMID: 21686316

DOI: 10.1016/j.paid.2011.02.013


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