Which statement about most psychological experiments using nonhuman animals is correct?

Question

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Psychological experiments using nonhuman animals are regulated by animal care committees to ensure that the animals are treated ethically and humanely. While some experiments may involve stress or discomfort for the animals, these are carefully monitored to ensure that they do not cause unnecessary harm. Moreover, many important discoveries in psychology have been made as a result of animal research, including insights into learning, motivation, emotions, and brain function.

Which Statement About Most Psychological Experiments Using Nonhuman Animals Is