Pavlov's Research Demonstrated That __________

Multiple Choice

Pavlov's research demonstrated that __________.

A) involuntary reaction (salivation) could occur in response to an unrelated stimulus (sound of a bell)
B) an unrelated stimulus (salivation) could occur in response to an involuntary reaction (sound of a bell)
C) involuntary reaction (sound of a bell) could occur in response to an unrelated stimulus (food)
D) an unrelated stimulus (food) could occur in response to an unrelated stimulus (barking)