In an experiment testing the effects of a new antipsychotic drug,neither Dr. Cunningham nor her patients know whether the patients are in the experimental or the control group. This is an example of

Question

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This is an example of the double-blind technique, where both the experimenter (Dr. Cunningham) and the participants (patients) are unaware of which group they belong to (experimental or control). This helps to prevent experimenter bias and increases the validity of the results.

In an Experiment Testing the Effects of a New Antipsychotic