Promises and Perils of Experimentation: The Mutual-Internal-Validity Problem
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DOI: 10.1177/1745691620974773
Abstract: Researchers run experiments to test theories, search for and document phenomena, develop theories, or advise policymakers. When testing theories, experiments must be internally valid but do not have to be externally valid. However, when experiments… read more here.
Keywords: validity; validity problem; develop theories; internal validity ... See more keywords