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Two Studies of Recent Increases of Intelligence in Taiwan

Hsin-Yi Chen, Yun-Kung Liao, Yung-Hua Chen, Hsin-Ping Chen and Richard Lynn


Published: 2013/06/01


Recent increases of IQ in Taiwan are reported for children and adults. The IQ gain in children measured by the WISC-III and the WISC-IV was 2.45 IQ points per decade over the years 1997-2007. The IQ gain in adults measured by the WAIS-III showed a smaller increase of 0.55 IQ points per decade over the years 2001-2011. In both studies the greatest gains were made on the visual-spatial abilities, with smaller gains on reasoning and the smallest gains on verbal abilities.

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