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Gender Differences on the Standard Progressive Matrices of South Sudanese Living in Khartoum

Asma Sirageldin Fathelrahman Ahmed, Habab Abdlahiy Osman, Salaheldin Farah Attallah Bakhiet, Helen Cheng and Richard Lynn

Abstract

Data are reported for non-verbal ability tested with Raven’s Standard Progressive Matrices for a sample of 755 male and 622 female school children, 6 to 18 year old, from South Sudan. These were the children of refugees who were settled with their families in the area of Khartoum. There was no gender difference among 6 through 15 year olds, but among the 16-18 year olds males obtained a significantly higher mean score of .31d or 4.65 IQ points. The variance was greater among the males than among the females. At all ages, average IQs were below 60 according to British 2007 norms.

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