Contributions of ability and attainment testing in Africa to a general theory of intellect.
D000293:Adolescent; D000349:Africa; D001077:Aptitude Tests; D002648:Child; D003431:Cross-Cultural Comparison; D004526:Efficiency; D004777:Environment; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D007858:Learning; D008297:Male