Keeping the hypothesis of an experiment secret from participants reduces the potential of a floor effect.
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Q33: A double-blind design results in more rigorous
Q34: The problem of order effects does not
Q35: Experimental designs that require the researcher to
Q36: The placebo effect is an effect that
Q37: Randomly assigning participants to experiment conditions is
Q38: Matched-group designs generally have higher statistical power
Q40: Distinguish a between-subjects design from a within-subjects
Q41: Explain what a double-blind design is and
Q42: What is a matched-group design and what
Q43: List two ethical concerns with experimental designs
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