Multiple Choice
Participants volunteered to be in a study of the effects of vitamin supplements. The experimenter was given an unlabeled syringe containing saline or a vitamin supplement to inject into the participant. The participants were not told if the injection they received is the vitamin supplement or a placebo. This experiment is using an) ______technique.
A) deception
B) double-blind
C) blind
D) independent measure of the dependent variable
Correct Answer:

Verified
Correct Answer:
Verified
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