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A Meta-Analysis of Spearman’s Hypothesis Tested on Latin-American Hispanics, Including a New Way to Correct for Imperfectly Measuring the Construct of g

Work and Organizational Psychology, University of Amsterdam, Nieuwe Achtergracht 129B, 1018 WS Amsterdam, The Netherlands
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Psych 2019, 1(1), 101-122; https://doi.org/10.3390/psych1010008
Received: 9 March 2019 / Revised: 6 April 2019 / Accepted: 12 April 2019 / Published: 18 April 2019
Spearman’s hypothesis states that the difference in intelligence between groups is a function of the g loadings of the subtests, where larger differences are found on tests with higher g loadings. This finding has consistently been supported on various groups. In this study we look at samples of Latin-American Hispanics in comparison to Whites. We carried out a meta-analysis based on 14 data points and a total of 16,813 Latin-American Hispanics, including a new way to correct for imperfectly measuring the construct of g. Spearman’s hypothesis was strongly supported with a mean r of 0.63. After correction for various statistical artifacts this value became rho = 0.91. Therefore, we conclude that Spearman’s hypothesis also holds true for White/Latin-American Hispanic differences. View Full-Text
Keywords: Spearman’s hypothesis; Latin-American Hispanics; IQ; g loadings; group differences Spearman’s hypothesis; Latin-American Hispanics; IQ; g loadings; group differences
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te Nijenhuis, J.; van den Hoek, M.; Dragt, J. A Meta-Analysis of Spearman’s Hypothesis Tested on Latin-American Hispanics, Including a New Way to Correct for Imperfectly Measuring the Construct of g. Psych 2019, 1, 101-122.

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