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  1.  7
    Do Schooling Gains Yield Anomalous Jensen Effects? A Reply to Flynn Including a Meta-Analysis.Jan te Nijenhuis, Esteban van der Boor, Yu Yong Choi & Kunho Lee - 2019 - Journal of Biosocial Science 51 (6):917-919.
    A test of Jensen effects is of nil value as a diagnostic instrument when various good-sized meta-analyses show Jensen effects appear for both genetic effects and environmental effects. Using thought experiments, Flynn claims that some schooling gains yield Jensen effects, which should not be the case for an environmental effect. However, a meta-analysis of schooling gains shows no Jensen effect. Real data trump thought experiments, so it is concluded there is no empirical proof of anomalous Jensen effects for schooling gains.
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    Spearman’s Hypothesis Tested Comparing Korean Young Adults with Various Other Groups of Young Adults on the Items of the Advanced Progressive Matrices.Jan te Nijenhuis, Yu Yong Choi, Michael van den Hoek, Ekaterina Valueva & Kun Ho Lee - 2019 - Journal of Biosocial Science 51 (6):875-912.
    Spearman’s hypothesis tested at the subtest level of an IQ battery states that differences between races on the subtests of an IQ battery are a function of the g loadings of these subtests, such that there are small differences between races on subtests with low g loadings and large differences between races on subtests with high g loadings. Jensen stated that Spearman’s hypothesis is a law-like phenomenon. It has also been confirmed many times at the level of items of the (...)
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    Spearman’s Hypothesis Tested Comparing Korean Young Adults with Various Other Groups of Young Adults on the Items of the Advanced Progressive Matrices - Erratum.Jan te Nijenhuis, Yu Yong Choi, Michael van den Hoek, Ekaterina Valueva & Kun Ho Lee - 2019 - Journal of Biosocial Science 51 (6):922.
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    What About the Neural Basis of Crystallized Intelligence?Kun Ho Lee, Yu Yong Choi & Jeremy R. Gray - 2007 - Behavioral and Brain Sciences 30 (2):159-161.
    General intelligence is largely based on two distinguishable mental abilities: crystallized intelligence (gC) and fluid reasoning ability (gF). The target article authors' P-FIT model emphasizes a network of regions throughout the brain as the neural basis for fluid reasoning and/or working memory. However, it provides little significant insight into the neural basis of gC, or how or why gC is more stable than gF across the life span.
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