Preexposing a Subject to a CS or US

Multiple Choice

Preexposing a subject to a CS or US

A) increases the effectiveness of the stimulus in forming associations by removing interfering responses associated with novelty.
B) decreases the effectiveness of the stimulus in forming associations.
C) has no effect on the salience or effectiveness of the stimulus in forming a classical association.
D) has a negative effect on delay, trace, or backward conditioning, but no effect on simultaneous conditioning.