When Micah Was 2-Years-Old He Was Frightened by His Aunt

Multiple Choice

When Micah was 2-years-old he was frightened by his Aunt Mabel's little dog, which had nipped him on the leg. Because of the incident, Micah developed a strong fear of small dogs but not of large dogs. This best illustrates which of the following?

A) spontaneous recovery
B) stimulus discrimination
C) stimulus generalization
D) higher order conditioning