Uruguay has increased it preschool enrollment, reaching almost universal coverage among four- and five-year-olds. However, more than a third of children enrolled in preschool programs have insufficient attendance, with absenteeism higher in schools in lower socioeconomic areas and among younger...

In this article we experimentally evaluate Colombia's Think Equal program, which teaches socioemotional skills to children ages 3 to 6. Given the context of COVID-19, the original design was adapted as a hybrid model, alternating in-person and remote instruction and engaging families in the...

We evaluate the effects of a 10-week intervention that randomly provided access to remote coaching to parents of preschool children over the summer break in Peru. In response to learning losses during school closures induced by COVID-19, education coaches offered guidance and encouragement to...

We evaluated the effects of a 10-week intervention that randomly provided access to remote training to parents of preschool children during summer vacations in Peru. In response to learning losses during COVID-19-induced school closures, educational coaches offered guidance and support to...

In this article we evaluate the effectiveness of ethnomathematics education among indigenous children: the JADENKÄ program. This intercultural bilingual program has been designed to strengthen the mathematical and ethnomathematical skills of the Ngäbe preschoolers in Ngäbe-Buglé, a comarca...

The aim of this article is to provide rigorous at scale experimental evidence on the effectiveness of an ethnomathematics education program. This article describes and evaluates the impact of JADENKA (pronounced Ha-den-go), an intercultural bilingual mathematics program designed to increase the...

Play during early childhood is key to stimulating children's physical, social, emotional, and cognitive development. However, research on play-based learning is largely limited to high-income countries, and little is known about the use of hybrid interventions (which combine in-person and remote...

This paper describes a policy experiment implemented in Costa Rica to increase learning during the COVID-19 pandemic. The experiment provided parents of preschool students with text messages to support their children's learning at home. After 15 weeks of intervention, the cognitive skills of...

Understanding health-seeking behaviors and their drivers is key for governments to manage health policies. There is a growing literature on the role of cognitive biases and heuristics in health and care-seeking behaviors, but little is known of how they might be influenced during a context of...