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Download full textPatterson, Brian F. – College Board, 2012
The main goal of this study was to illustrate and provide some direction for dealing with the complexities of propensity score matching within different multilevel contexts. Special attention is given to how procedures typically applied in a non-hierarchical setting may be modified to properly reduce the expected bias in the estimated treatment…
Descriptors: Probability, Scores, Statistical Bias, High School Students
