Multiple Choice
Dr.Photon is conducting an fMRI study on the effects of an aspirin or a sugar placebo for the treatment of headaches.He randomizes his participants to one of the two groups, performs their baseline fMRI, gives them their medications, and then later does a follow-up fMRI.In this example, Dr.Photon's independent variable is whether:
A) a person received a pill or placebo
B) the fMRI was at baseline or follow-up
C) the participants were randomized or not
D) the pill had a high enough dosage or not
Correct Answer:
Verified
Correct Answer:
Verified
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