Abstract
Selection bias pervades the evaluation of supplemental instruction (SI) in non-experimental settings. This brief note provides a formal framework to understand this issue. The objective is to contribute to the accumulation of credible evidence on the impact of SI.
Recommended Citation
Paloyo, Alfredo R., A note on evaluating Supplemental Instruction, Journal of Peer Learning, 8, 2015, 1-4.Available at:https://ro.uow.edu.au/ajpl/vol8/iss1/2
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