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Manrique, Héctor M.; Hernández-Gálvez, Yurena; Hernández-Cabrera, Juan; Álvarez, Carlos J. – Journal for the Study of Education and Development, 2022
Fifty-one 23-to-55-month-old-infants faced two apparatuses that required the use of a rigid (box apparatus) or flexible (hose apparatus) stick-like tool to retrieve a toy stuck inside. Before attempting the extraction, however, they had to pick the only one tool (of three) on display that had the appropriate rigidity/flexibility to be effective.…
Descriptors: Infants, Comparative Analysis, Object Manipulation, Toys
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Cueto, Santiago; Guerrero, Gabriela; Leon, Juan; Zapata, Mayli; Freire, Silvana – Oxford Review of Education, 2014
Using Young Lives longitudinal data from Peru, this paper explores the relationship between socioeconomic status (SES) measured at the age of one, opportunities to learn (OTL) and achievement in mathematics ten years later. Four variables of OTL were measured: hours of class per year, curriculum coverage, quality of teachers' feedback, and level…
Descriptors: Socioeconomic Status, Correlation, Infants, Educational Opportunities