Random assignment guarantees that participant characteristics do not become a confounding variable.
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Q48: A between-subjects experiment with 25 scores in
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Q50: Holding a participant variable constant has the
Q51: An advantage of between-subjects designs is that
Q52: A between-subjects experiment comparing three treatments requires
Q54: One advantage of a between-subjects design is
Q55: Holding a variable constant guarantees that the
Q56: In a between-subjects experiment, if the participants
Q57: Differential attrition can threaten the internal validity
Q58: In a between-subjects design, to compare proportions
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