Wong, Vivian C.; Cook, Thomas D.; Barnett, W. Steven; … - In: Journal of Policy Analysis and Management 27 (2008) 1, pp. 122-154
Since 1980, the number of state pre-kindergarten (pre-K) programs has more than doubled, with 38 states enrolling more than one million children in 2006 alone. This study evaluates how five state pre-K programs affected children's receptive vocabulary, math, and print awareness skills. Taking...
