A longitudinal study was conducted to identify unique sources of individual differences in later understanding of the equal sign as a relational symbol of equivalence (i.e., formal understanding of mathematical equivalence). The sample included 141 children from a mid-sized city in the Midwestern United States (M[subscript age] = 6 years, 2 months…

Introduction: There continues to be a lack of conclusive data on how IQ, executive functions and emotional intelligence, as a set of factors, contribute toward academic skills. Method: This lack prompted the implementation of this study in 34 children (9-year-olds), through the application of the following instruments--Kaufman Brief Intelligence…

Socioeconomic status (SES) is a well-known predictor of cognitive achievement and executive functioning, although the underlying cognitive mediating processes remain unclear. The authors analyze the association between different socioeconomic indicators and the executive functions (EF) of schoolchildren and the possible cognitive mediating factors…