Dr. Bishop is studying the effects of a drug on memory. Half of his participants will receive the drug, while the other half will receive a placebo. The pills the two groups of participants will take look exactly the same. Dr. Bishop hopes that the use of a placebo will ____.?
a. ?allow him to have control over the dependent variables
b. ?show if memory improvement is based on participant expectations
c. ?create a double-blind design for his research
d. ?eliminate the chance of random variables confounding his experiment
ANSWER:
b
Psychology
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