Multiple Choice
The sight of a syringe has been noted to produce in a heroin addict a sudden desire for a "fix" and he begins twitching.Such reactions were not present until the syringe was seen.We can say that the syringe has become
A) a conditioned stimulus
B) an unconditioned stimulus
C) a conditioned response
D) an unconditioned response
Correct Answer:

Verified
Correct Answer:
Verified
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