Lewin's equation

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Lewin's equation, B = f(PE), is not actually a mathematical equation representing quantifiable relationships but rather a heuristic formula designed by psychologist Kurt Lewin.


The formula states that behavior is a function of the person and his or her environment:[1]


Where B is behavior, P is Person, and E is the environment.

The equation is the psychologist's most well known formula in social psychology, of which Lewin was a modern pioneer. When first presented in Lewin's book Principles of Topological Psychology, published in 1936, it contradicted most popular theories in that it gave importance to a person's momentary situation in understanding his or her behavior, rather than relying entirely on the past.[2]

Further reading[edit]

  • Lewin, Kurt (1943). Defining the "Field at a Given Time." Psychological Review, 50, 292–310.


External links[edit]