The g-loading of intelligence tests and their relationship with reaction times: A comment on Ruchalla et al. |
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| Institution: | 1. Nanjing Medical University Affiliated Cancer Hospital, Department of Clinical Cancer Research Center, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, China;2. Department of Oncology, Huai''an First People''s Hospital, Nanjing Medical University, Huai''an, Jiangsu, China;3. The Jiangsu Province Research Institute for Clinical Medicine, the First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China;4. Department of Oncology, Yancheng First People''s Hospital, Nanjing Medical University, Yancheng, Jiangsu, China;1. Department of Psychological and Brain Sciences, University of Massachusetts, United States;2. Commonwealth Honors College, University of Massachusetts, United States;3. Department of Psychology, University of Pennsylvania, United States;1. Department of Physics, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 City of Dammam, Saudi Arabia;2. Basic and Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 Dammam, Saudi Arabia;3. Faculty of Sciences, Unité de Recherche sur les Hétéro-Epitaxies et Applications, University of Monastir, 5019 Monastir, Tunisia;4. Department of Physics, College of Science, Qassim University, PO Box 6622, Buraidah, Al-Qassim, Saudi Arabia;1. Yale University School of Medicine, United States;2. University of Arkansas, United States |
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| Abstract: | Ruchalla, Schalt, and Vogel (1985) reported a negative correlation between the g-loadedness of a number of intelligence test subtests and the extent to which the subtests correlated with reaction times (RTs), a result contrary to the position of Jensen and others. A number of possible methodological problems with Ruchalla et al. are described, as are the results of two other studies pertinent to the issue. These results indicate that the g-loadedness of different subtests is in some cases highly positively correlated with the subtests' correlations with RTs, whereas in other cases the relationship is negligible or negative. The key factor appears to be the relative complexity of the RT test: more complex tests showing a strong positive correlation. In the context of these findings, Ruchalla et al.'s results are not out of line—they simply do not tell the whole story. |
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