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The Relationship between the “Smart Fraction”, SES, and Education: The Sudan Case

Adel A. Batterjee


Smart fraction theory asserts that a nation’s per capita GDP varies directly with the fraction of its population that is above a certain threshold of intelligence. This article examines relationships among a diverse set of socioeconomic status (SES) factors and the 95th intelligence quotient percentile of Sudanese students. Data are drawn from 1824 of these “smart” students, who represent the 95th percentile of a larger sample of general population students reported on in Batterjee and Ashria (2015). While previous studies have shown the influence of SES variables on students’ cognitive abilities and educational outcomes, the present results show that this SES effect is less than expected in Sudan, and that age has a more considerable impact.

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