The study investigates direct and indirect preschool quality effects on emergent literacy skills (children's letter knowledge, oral skills, and interests and skills in print and communication) using quality indicators at process (ECERS-R, ECERS-E), structure (e.g. class size) and belief (e.g. support creativity) level. The study included a sample…

Class size reduction policies have been widely implemented around the world in recent years. However, findings about the effects of class size on student achievement have been mixed. This study examines class size effects on fourth-grade mathematics achievement in 14 European countries using data from TIMSS (Trends in International Mathematics and…