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scoray [572]
3 years ago
15

As an element of an experiment to test the effectiveness of a drug for depression, one group of participants receives a pill tha

t does not contain any active ingredients. The inclusion of these participants most directly indicates that the experiment involves:
Social Studies
1 answer:
andrey2020 [161]3 years ago
6 0

The inclusion of these participants most directly indicates that the experiment involves a control group, and an active drug that they need to compare the results to.

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