In the context of the drug discrimination paradigm, a substitution test can determine whether
a. a saline injection will substitute for the reference drug.
b. a saline injection will substitute for the training drug.
c. injection of a substitute drug will elicit responding similar to that of the training drug.
d. various doses of the reference drug will substitute for saline.
e. different individual animals will respond similarly during drug discrimination training.
Answer: C
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