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. (BD)

Describes a cross-cultural comparative study of recall memory among children from two Guatemalan towns and one American city. (CM)

Compared the performance of two groups of subjects on psychoeducational tests taken during adolescence and early adulthood. Adolescents who had received a protein supplement when they were infants scored higher on tests of knowledge, numeracy, reading, and vocabulary and showed faster reaction times in information-processing tasks than adolescents…

This study examined the contribution of maternal education to variations in child outcomes from birth to 7 years of age. The sample for this study consisted of 266 children and their mothers, drawn from four rural communities in eastern Guatemala, who had participated in a longitudinal nutritional supplementation study. Data were presented which…