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Lloyd, Barbara B. – Journal of Cross-Cultural Psychology, 1971
Descriptors: Cognitive Development, Disadvantaged Youth, Early Experience, Intellectual Development
Peer reviewed Peer reviewed
Fahrmeier, Edward D. – Journal of Cross-Cultural Psychology, 1978
It was found, as expected, that the number of subjects giving conservation responses did not reach 50 percent until age 12. Schooling did not seem to be a major factor in accelerating the attainment of concrete operations. Social class and urbanization had an effect on several tasks. (Author/AM)
Descriptors: Cognitive Development, Conservation (Concept), Cross Cultural Studies, Educational Background
Peer reviewed Peer reviewed
Lloyd, Barbara B.; Easton, Brian – Journal of Cross-Cultural Psychology, 1977
Reexamines Yoruba children from educated and traditional families after five years, finding that those growing up in a privileged environment showed increasingly superior mental scores. (Author/JM)
Descriptors: Child Development, Cognitive Development, Cross Cultural Studies, Cross Sectional Studies