Cognitive Performance during Middle Childhood in Rural Guatemala

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Abstract
Developmental changes in a variety of cognitive processes as a function of age and schooling were examined in 160 rural Guatemalan children aged 5, 7, 9, and 11 years. Larger differences in test performance were seen between ages 9 and 11 than during earlier age periods on most tasks. Regression analyses of years of schooling controlling for age, sex, and socioeconomic status indicated that the effects of school were limited to memory tasks and to response time on the Matching Familiar Figures Test (MFF). Evidence for cumulative effects of additional years in school on test performance was weak. Good school performance was also most related to two memory measures. Previous studies indicating that schooling has a substantial effect on abstract cognitive processes were questioned; the suggestion that school performance is related to various memory processes was raised.