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Sex Differences in Means and Variance of Intelligence: Some data from Morocco

Khadija Sellami, Eugenia Infanzón, Teresa Lanzón, Amelia Díaz and Richard Lynn


Published: 2010/09/01


The study provides the first report for intelligence in Morocco and gives data for a sample of 202 adults tested with the Raven Standard Progressive Matrices. The results show that in this sample, men had a higher mean IQ than women by 5.7 IQ points. Sex differences in variance

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