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I've had an experiment in which random assignment failed and there are a priori differences in pretest. Or, a education/psychology experiment in which data with a priori pretest differences...
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I know I have come across work on how pretests can prime participants as to the nature of the experiment. I have found work on the reactivity of pretests in attitude research, but I would like...
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I'm a post doc for a nationwide field trial testing the effects of a math curriculum revised based on cognitive science principles. As part of the fidelity measures, I, along with my colleagues,...
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