John B Watson - Classical Conditioning (1878 - 1958)
John B Watson was one of the first of his generation to explore behaviourism, he inspired many like Ivan Pavlov.
He also looked at classical conditioning to explore how a neutral stimuli can affect behaviour.
Watson was known for his 'LITTLE ALBERT EXPERIMENT'
He worked with 9 month old little Albert, he introduced Albert to a rat. Albert showed no fear and was able to pet the rat.
In another test Watson then made a series of loud noises with out the rat present. Albert showed distress.
Watson then showed Albert the rat, as he was petting the rat, Watson made a loud noise to frighten the baby. He made this noise every time Albert touched the rat.