While awaiting his turn at the doctor's office, Gunther bites his nails continuously. This is an example of:
A) resurgence.
B) sign tracking.
C) adjunctive behavior.
D) spontaneous recovery.

Question

Quizplus · Accepted Answer

Nail-biting in this context is an example of adjunctive behavior, which refers to an excessive or abnormal behavior pattern that emerges as a byproduct of an intermittent schedule of reinforcement during periods of time when reinforcement is not available.

While Awaiting His Turn at the Doctor's Office, Gunther Bites