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Hong, Guanglei – Journal of Educational and Behavioral Statistics, 2010
Defining causal effects as comparisons between marginal population means, this article introduces marginal mean weighting through stratification (MMW-S) to adjust for selection bias in multilevel educational data. The article formally shows the inherent connections among the MMW-S method, propensity score stratification, and…
Descriptors: Statistical Analysis, Scores, Statistical Inference, Homogeneous Grouping

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