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An Increase of Intelligence in China 1986-2012
1University of Pennsylvania, Philadelphia, PA, USA.
Intelligence
|November 26, 2013
Summary
This study investigated the Flynn effect in China, finding a significant IQ increase in 12-year-olds between 1985 and 2011. Gains were observed across Full Scale, Performance, and Verbal IQ measures.
Area of Science:
- Psychology
- Human Development
- Cognitive Science
Background:
- The Flynn effect, a rise in average IQ scores over time, is well-documented in Western nations.
- Research on the Flynn effect in Asian countries remains limited, necessitating further investigation.
Purpose of the Study:
- To examine the presence and magnitude of the Flynn effect in China.
- To analyze changes in intelligence scores among Chinese 12-year-olds from 1985-86 to 2011-12.
Main Methods:
- Longitudinal study design comparing IQ scores from two distinct time periods.
- Utilized the Wechsler Intelligence Scale for Children-Revised (WISC-R) for intelligence assessment.
- Analyzed Full Scale IQ, Performance IQ, and Verbal IQ scores.
Main Results:
- A notable increase in Full Scale IQ was observed, averaging 6.19 IQ points.
- Performance IQ scores showed a substantial gain of 6.55 IQ points.
- Verbal IQ scores also increased, by an average of 1.91 IQ points.
Conclusions:
- Evidence suggests the Flynn effect is present in China.
- The findings contribute to a more comprehensive understanding of global intelligence trends.
- Further research is needed to explore the factors driving these observed changes in China.
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