Multiple Choice
The purpose of a double-blind design in clinical trials is to reduce error that results from:
A) the way in which the outcome is assessed.
B) subjects' knowledge of their assignment to study conditions.
C) nonrandom assignment to study conditions.
D) the way in which the outcome is assessed and subjects' knowledge of their assignment to study conditions.
E) All are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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