Using nonhuman animal participants in research studies allows psychologists to exert a much higher degree of control over the experimental participants' environment than when human participants are involved.

Question

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Nonhuman animal participants can be kept in controlled laboratory environments where their diet, housing, and social interactions can be regulated and manipulated by researchers. In contrast, human participants often have more varied and uncontrollable environments outside of the laboratory which can complicate research findings.

Using Nonhuman Animal Participants in Research Studies Allows Psychologists to Exert