Multiple Choice
What is multiple-treatment interference?
A) A threat to external validity that occurs when a set of findings results only when participants experience multiple treatments in the same experiment.
B) A threat to external validity that occurs when a treatment effect is found only for a specific sample of participants.
C) A threat to external validity that occurs when a pretest sensitizes participants to the treatment yet to come.
D) A threat to external validity caused by an experimental situation that alters participants' behavior, regardless of the IV involved.
Correct Answer:
Verified
Correct Answer:
Verified
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