Document Detail

Factor structure and sex differences on the Wechsler Preschool and Primary Scale of Intelligence in China, Japan and United States.
MedLine Citation:
PMID:  21686316     Owner:  NLM     Status:  Publisher    
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.
Jianghong Liu; Richard Lynn
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Publication Detail:
Journal Detail:
Title:  Personality and individual differences     Volume:  50     ISSN:  0191-8869     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-6-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006972     Medline TA:  Pers Individ Dif     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1222-1226     Citation Subset:  -    
School of Nursing and School of Medicine, 418 Curie Blvd., Claire M. Fagin Hall 19104-6096. University of Pennsylvania, Philadelphia, PA, USA.
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Grant Support
K01 ES015877-04S1//NIEHS NIH HHS; K01 ES015877-05//NIEHS NIH HHS; R01 ES018858-01//NIEHS NIH HHS

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