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Direct linkKonstantopoulos, Spyros; Li, Wei – Educational Research and Evaluation, 2012
Evidence from Project STAR has suggested a considerable advantage of being in small classes in early grades. However, the extra benefits of additional years in small classes have not been discussed in detail. The present study examined the additional effects of being in small classes for more than 1 year. We find that once previous grade…
Descriptors: Small Classes, Evidence, Early Childhood Education, Longitudinal Studies
Ding, Weili; Lehrer, Steven F. – National Bureau of Economic Research, 2009
This paper introduces an empirical strategy to estimate dynamic treatment effects in randomized trials that provide treatment in multiple stages and in which various noncompliance problems arise such as attrition and selective transitions between treatment and control groups. Our approach is applied to the highly influential four year randomized…
Descriptors: Control Groups, Class Size, Small Classes, Grade 1
