Introduction
The true nature of classical conditioning lies in the responding with some action for some stimulus caused by artificial cause. The earliest researches of classical conditioning were conducted by Russian scientists Pavlov, who proved that if we ring the bell every time before we feed the dog, it associate the bell with the process of feeding, so in some period of such a repeated action the dog starts drooling as the same stimulus make him think that he is going to be fed now (Schmajuk, 2008). So in simple words, the classical conditioning is about attaching one stimulus from ...