Answer:
d. spontaneous recovery
Explanation:
Spontaneous recovery is when a behavior that was thought to be gone, returns. In the example given this behavior is fear.
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Answer:
D
Explanation:
Spontaneous recovery can be defined as the reappearance of the conditioned response after a rest period or period of lessened response. If the conditioned stimulus and unconditioned stimulus are no longer related in any way, extinction will occur very rapidly after a spontaneous recovery.
The conditioned stimulus ( fear of riding a bike so as not to have an accident) and the unconditioned stimulus (riding a bike), now this two stimulus are no longer associated making his fear go into extinction owing to Alex cycling on a safe biking trail everyday for one week. But two weeks later after a period of rest his fears return to this stimulus riding a bike on the same trail this best illustrates spontaneous recovery(reapperance of the conditioned stimulus).
