1. What is the role of random assignment? All good experiments use random assignment as a means...
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1. What is the role of random assignment? All good experiments use random assignment as a means of coping with the effects of potentially confounding variables that cannot easily be directly controlled. When describing an experimental design, you should be clear about how random assignment (subjects to treatments, treatments to subjects, or treatments to trials) was incorporated into the design.
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Introduction To Statistics And Data Analysis
ISBN: 9781305445963
5th Edition
Authors: Roxy Peck, Chris Olsen, Jay L Devore
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