In Pavlov's Original Experiments, Dogs Were Classically Conditioned to Respond

Multiple Choice

In Pavlov's original experiments, dogs were classically conditioned to respond to the ringing of a bell with salivation. According to Robert Rescorla, what had the dogs learned?

A) that the bell was a signal that reliably predicted that food would follow
B) a reflexive association between a ringing bell and food
C) that salivating at the sound of a bell would be reinforced by food
D) learned helplessness because of being restrained by the harness