Nelson Got an F in His College Calculus Class Last

Multiple Choice

Nelson got an F in his College Calculus class last semester. His professor, Dr. Nwokufor, was from Nigeria. Nelson registers for the same class, and on the first day finds that the teacher is another mathematician from Nigeria. He immediately sighs and assumes that he's going to have a difficult time in the class. This is an example of

A) stimulus discrimination.
B) vicarious conditioning.
C) stimulus generalization.
D) reconditioning.