Following His Experience in the Military, Hans Developed a Classically

Multiple Choice

Following his experience in the military, Hans developed a classically conditioned fear response to radio static. After he left the military, the response extinguished. However, after not hearing radio static for several months, Hans again shows the conditioned fear response. Hans's experience is best described by

A) stimulus generalization.
B) stimulus discrimination.
C) reconditioning.
D) spontaneous recovery.
E) shaping.