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3 years ago

9

In an experiment on a new drug, subjects were randomly assigned to either a placebo or the active drug. In addition, the method

of delivery of the drug (pill, skin patch, or nasal mist) was considered. In this experiment, there were how many factors?
A. 1.
B. 2.
C. 3.

1 answer:

notka56 [123]3 years ago

4 0

Answer:

B. There are two factors

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