Students' school success in literacy and numeracy is often hampered by limited prerequisites in these domains, yet the effectiveness of different approaches to support students is unclear. Using professional training programmes for kindergarten teachers, we tested the effects of three kindergarten approaches in a quasi-experimental pre- and…

The 1998 reauthorization of Head Start called for a national evaluation of the Head Start program. The goal of Head Start is to improve the school readiness skills of low-income children. Yet characteristics of Head Start programs, such as their quality and the amount of time children spend in them may influence their effectiveness at achieving…

This study seeks to answer the following question: Are impacts on Head Start classroom quality associated with impacts of Head Start on children's learning and development? This study employs a variety of descriptive and quasi-experimental methods to explore the role of classroom quality as a mediator or mechanism of Head Start impacts. This…