Classical Conditioning: A learning paradigm studied and practiced in a laboratory or other controlled environment in which a stimulus called the unconditioned stimulus (US) which naturally elicits an unconditioned response (UCR), is paired with a neutral stimulus that does not initially elicit a response. Through the repeated pairings, the neutral stimulus (now the conditioned stimulus - CS) begins to elicit the desired response (now the conditioned response - CR). Coercion (Aversive Contr...