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Download full textJones, Nathan; Steiner, Peter; Cook, Tom – Society for Research on Educational Effectiveness, 2011
In this study the authors test whether matching using intact local groups improves causal estimates over those produced using propensity score matching at the student level. Like the recent analysis of Wilde and Hollister (2007), they draw on data from Project STAR to estimate the effect of small class sizes on student achievement. They propose a…
Descriptors: Matched Groups, Control Groups, Scores, Computation
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
Peer reviewedGoldstein, Harvey; Blatchford, Peter – British Educational Research Journal, 1998
Reviews research into class size effects from a methodological viewpoint, concentrating on various strengths and weaknesses of randomized controlled trials (RCT) and observational studies. Discusses population definitions, causation, and generally sets out criteria for valid inferences from such studies. Illustrates with new findings from data in…
Descriptors: Academic Achievement, Class Size, Control Groups, Data Collection
