tysongraham6893 tysongraham6893

07-06-2023
Mathematics

contestada

An experiment is said to be double-blind if _____.
A. The researcher is not aware of confounding variables.
B. Subjects and those working with the subjects are not aware of who is given which treatment.
C. A placebo is given to some of the subjects.
D. The researchers don't know who is being given the treatment.

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