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A Study of Sex Differences in Intelligence in Egypt

Ahmed M. Abdel-Khalek and Richard Lynn

Published: 2016/09/01


Results are reported for the intelligence of a sample of 722 10 to 18 year olds in Egypt assessed with the Standard Progressive Matrices. Males obtained significantly higher scores than females at the ages of 16 and 17-18 years, supporting the developmental theory of Lynn that males develop a higher average IQ than females from the age of 16 years into adulthood. The sample obtained a British IQ of 89. Key Words: Intelligence; Sex differences; Progressive Matrices; Egypt

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