Psychoanalytic theories explain human behaviour in terms of the interaction of various components of personality. Sigmund Freud was the founder of this school.
Freud drew on the physics of his day (thermodynamics) to coin the term psycho-dynamics. Based on the idea of converting heat into mechanical energy, he proposed psychic energy could be converted into behaviour.
Freud's theory places central importance on dynamic, unconscious psychological conflicts.
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