Multiple Choice
A researcher conducted an experiment with rats in which she paired the administration of a drug that boosted the immune system with sweet water. Later, when the drug was removed and the rats continued to receive just the sweet water, the functioning of the rats' immune systems:
A) improved.
B) showed evidence of stimulus generalization.
C) remained unchanged.
D) decreased.
Correct Answer:

Verified
Correct Answer:
Verified
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