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Comparing Performance of Methods to Deal with Differential Attrition in Lottery Based Evaluations

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Zamarro, Gema; Anderson, Kaitlin; Steele, Jennifer; Miller, Trey – Society for Research on Educational Effectiveness, 2016

The purpose of this study is to study the performance of different methods (inverse probability weighting and estimation of informative bounds) to control for differential attrition by comparing the results of different methods using two datasets: an original dataset from Portland Public Schools (PPS) subject to high rates of differential…

Descriptors: Data Analysis, Student Attrition, Evaluation Methods, Evaluation Research