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In Pavlov's dog experiment, what was the unconditioned stimulus?

AThe meat powder
BThe ringing bell
CThe salivation
DThe experimenter
Answer & Solution
Correct answer: A. The meat powder
1. Pavlov fed dogs meat powder, which naturally made them salivate. 2. Meat powder is therefore the unconditioned stimulus. 3. The bell was the neutral stimulus; salivation is the response. _Source: Wikipedia, Learning, Classical conditioning_
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