The Perry Preschool Study stands the test of time, but it doesn't stand alone

Description:

Perhaps because the Perry Preschool study is cited so often to demonstrate the long-term benefits of preschool, it seems the landmark study is often criticized -- or at least its flaws underscored in an attempt to discredit its findings as relevant to today's world. This week I decided to address the validity of some of the criticisms I hear most often. At the same time I add a word of caution about relying too much on this (or any) single study.