Middle Childhood (5-12 years)

The Effects of Universal Pre-K on Cognitive Development

In this study of Oklahoma's universal pre-K program, the authors relied on a strict birthday eligibility criterion to compare "young" kindergarten children who just completed pre-K to "old" pre-K children ju

2005
Gormley, W. T., Jr.
Gayer, T.
Phillips, D.
Dawson, B.