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Pokropek, Artur – Sociological Methods & Research, 2015
This article combines statistical and applied research perspective showing problems that might arise when measurement error in multilevel compositional effects analysis is ignored. This article focuses on data where independent variables are constructed measures. Simulation studies are conducted evaluating methods that could overcome the…
Descriptors: Error of Measurement, Hierarchical Linear Modeling, Simulation, Evaluation Methods
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Ross, Steven M.; Paek, Jangmil; McKay, Dawn – ERS Spectrum, 2008
A core component of the No Child Left Behind Act (NCLB, 2001) is the provision of free after-school tutoring services, labeled "supplemental educational services" (SES), to eligible students. Importantly, an explicit NCLB requirement makes each state responsible for evaluating individual SES providers with regard to effectiveness in…
Descriptors: Research Design, Evaluators, Eligibility, Federal Legislation