A researcher is testing if caffeine makes people more talkative.Some of the participants are given regular coffee to drink and some are given warm milk.The assistant then interviews the participants and counts the number of words each speaks during the interview.What seems to be missing from the design?
A) a hypothesis
B) a placebo control
C) a dependent variable
D) an independent variable
Correct Answer:
Verified
Q21: Sample is to population as
A)part is to
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Q23: Which research design uses each participant as
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Q27: In Robert Rosenthal's study of the effects
Q28: When does a placebo effect occur?
A)When an
Q29: In the context of conducting psychological research,what
Q30: In a between-subjects design,which participants are NOT
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