Which age group was involved in the Perry Preschool Study?

The Perry Preschool Study focused specifically on children aged three to four. This longitudinal study, conducted in the 1960s, examined the impact of a high-quality preschool program on the educational and social outcomes of children from disadvantaged backgrounds. By concentrating on this specific age group, the study was able to evaluate the critical early years of development, which are essential for cognitive and social growth. The findings highlighted the importance of early childhood education in shaping future success, reinforcing the notion that investment in quality early learning experiences can yield significant benefits.