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Li, Wei; Konstantopoulos, Spyros – School Effectiveness and School Improvement, 2017
Policies about reducing class size have been implemented in the US and Europe in the past decades. Only a few studies have discussed the effects of class size at different levels of student achievement, and their findings have been mixed. We employ quantile regression analysis, coupled with instrumental variables, to examine the causal effects of…
Descriptors: Class Size, Achievement Gap, Educational Policy, Achievement Tests
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Li, Wei; Konstantopoulos, Spyros – Journal of Research on Educational Effectiveness, 2016
Class size reduction policies have been widely implemented around the world in recent years. However, findings about the effects of class size on student achievement have been mixed. This study examines class size effects on fourth-grade mathematics achievement in 14 European countries using data from TIMSS (Trends in International Mathematics and…
Descriptors: Class Size, Grade 4, Mathematics Achievement, Evidence