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Putting Spearman's Hypothesis To Work: Job Iq As A Predictor Of Employee Racial Composition, Bryan J. Pesta, Peter Poznanski
Putting Spearman's Hypothesis To Work: Job Iq As A Predictor Of Employee Racial Composition, Bryan J. Pesta, Peter Poznanski
Business Faculty Publications
Job complexity and employee intelligence covary strongly. Likewise, race differences exist on mean IQ / g scores. Spearman’s hypothesis predicts that race differences on cognitive tests are mainly g differences, and that the former should covary with how well mental tests measure the latter. Here we use jobs as “mental tests,” and predict that as job IQ increases, the percent of White and Asian workers will increase, while the percent of Black workers will decrease. We found moderate to strong support for Spearman’s hypothesis across these three racial groups. We also found a very large correlation (.86) between job IQ …