

The founder of behaviorism was the American psychologist John Broadus Watson. In the early 1900s, a new force in psychology came about called behaviorism.

Gustav Theodor Fechner: published book Elements of Psychophysics which showed how physical events stimulate psychological sensations and perception.

People are social creatures and influence each other. Socrates: rely on rational thought and introspection or examination of one's own thoughts and emotions to gain self knowledge. Behavior is influenced by external stimulation. Aristotle: argued human behavior was subject to rules and lawsĭemocritus: think of behavior as terms of body and mind.
