Introduction: In Peru, there are few studies that include individual differences between students to explain their academic performance at the beginning of formal schooling. For that reason, the aim of the present study was to predict the perceived academic performance of a group of students based on the following variables: effortful control (EC)…

This research analyzes data collected by the Young Lives project on childhood poverty. It addresses the effect of socio-demographic, individual, and linguistic variables -- focusing on the latter -- on reading comprehension in Spanish by 502 Peruvian Quechua-Spanish bilingual children aged 8 years. The regression model tested explained 46% of the…

This article documents differences in cognitive development, as measured by the Peabody Picture Vocabulary Test (PPVT), between children from households with high and low socioeconomic status (SES) in two different phases of early childhood in four developing countries. A large number of potential mediators, such as urban residence, preschool…