... to feed them. This lead to an experiment in which he rang a bell every time the dogs were fed, then eventually the dogs began to salivate more just at the bell being rung, despite their food not being present. The dogs had associated the sound with their food. B.F. Skinner Later discovered another type of conditioning. Operant conditioning. This study meant that a pigeon learnt to peck a leaver in order to get a reward (a seed). Classical condoning involves no link between the dog's response and a reward. For example, the dog does not get food because it salivates. Operant conditioning links the response, the pecking of a lever, to a reward. The animal therefore must do something to get the reward. J.B. Watson Attempted to show conditioning in human beings, in 1923 he trained a child to be terrified of furry objects by clanging a metal bar behind the child every ...

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