A researcher might test the influence of environment on cognitive development by taking newborn children away from their parents and assigning half of them to a rich cognitive environment and half to a deprived cognitive environment. What is wrong with this experiment?
A. There is nothing wrong with this experiment.
B. There is no control group.
C. The experimental method violates ethical standards.
D. There is no way to control for the Hawthorne effect.
Answer: C
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