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In preparation for a study of the effectiveness of an antischizophrenia drug, an experimenter puts the experimental drug and the placebo into capsules of the same color and codes them. Neither the subjects nor the experimenter will know who gets the experimental drug or the placebo. This is an example of a:

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mcarc09

Answer:

This is an example of double-blind design.

Explanation:

Double-blind design refers to a type of experimental design. It is common for participants to be divided into two groups, the experimental group and the control group. The experimental group is the one that will take the new drug, while the control group takes the placebo. Normally, the experimenter would know to which group each participant belongs, although participants themselves wouldn't know. When neither the experimenter nor the participants know to which group they belong, we have a double-blind design.

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