title: Gender-associated development of formal operations in Nigerian adolescents.
mesh_terms: D000293:Adolescent; D000349:Africa; D017954:Africa South of the Sahara; D000354:Africa, Western; D000367:Age Factors; D001519:Behavior; D003469:Culture; D003710:Demography; D003906:Developing Countries; D009549:Nigeria; D011153:Population; D011154:Population Characteristics; D011584:Psychology; D012106:Research; D012737:Sex Factors; D012942:Social Sciences; D013223:Statistics as Topic
keywords: Adolescents; Africa; Africa South Of The Sahara; Age Factors; Behavior; Cultural Background; Data Analysis; Demographic Factors; Developing Countries; English Speaking Africa; Nigeria; Population; Population Characteristics; Psychological Factors; Psychology; Research Methodology; Research Report; Sex Factors; Social Sciences; Western Africa; Youth