How much bias results if a quasi-experimental design combines local comparison groups, a pretest outcome measure and other covariates?: A within study comparison of preschool effects
This study uses a within study comparison design (WSC) to conduct a novel test of how much causal bias results when researchers use a nonequivalent comparison group design type (NECGD) that combines: (a) a comparison group local to the treatment group; (b) a pretest measure of the study outcome; and...
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Published in | Psychological methods |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
United States
01.12.2020
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Online Access | Get more information |
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