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Direct linkShin, Hye Sook – ProQuest LLC, 2009
Using data from a nationwide, large-scale experimental study of the effects of a connected classroom technology on student learning in algebra (Owens et al., 2004), this dissertation focuses on challenges that can arise in estimating treatment effects in educational field experiments when samples are highly heterogeneous in terms of various…
Descriptors: Control Groups, Community Characteristics, Municipalities, Pretests Posttests
