We study the socio-economic gradient of child development on a representative sample of low- and middle-income children aged 6-42 months in Bogota, using the Bayley Scales of Infant Development, a high quality test based on direct observation of the child's abilities. We find a statistically...

Gaps in child development by socioeconomic status (SES) start early in life, are large and can increase inequalities later in life. We use recent national-level, cross-sectional and longitudinal data to examine inequalities in child development (namely, language, cognition, and socio-emotional...

Medir el desarrollo infantil temprano (DIT) mediante pruebas estándar de diagnóstico en estudios a gran escala resulta difícil y costoso. Por esto, con frecuencia se utilizan pruebas de tamizaje multidimensionales y pruebas que miden un solo dominio del desarrollo como alternativas (nos...

In low- and middle-income countries (LIMCs) measuring early childhood development (ECD) with standard tests in large scale surveys (i.e. evaluations of interventions) is difficult and expensive. Multi-dimensional screeners and single-domain tests ('short tests') are frequently used as...