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Jones, 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
Finn, Jeremy D. – Education and the Public Interest Center, 2010
In 2002, voters in Florida approved a constitutional amendment limiting class sizes in public schools to 18 students in the elementary grades, 22 students in middle grades, and 25 in high school grades. Analyzing statewide achievement data for school districts from 2004-2006 and for schools in 2007, this study purports to find that "mandated…
Descriptors: Class Size, Small Classes, Program Effectiveness, Educational Policy