McDougall Mc·Dou·gall (mək-dōō'gəl), William. 1871-1938.
British-born American psychologist who theorized that human behavior is determined by both instinctive and intentional strivings.
British-born U.S. psychologist influential in establishing experimental and physiological psychology and author of An Introduction to Social Psychology (1908; 30th ed. 1960), which did much to stimulate widespread study of the basis of social behaviour.
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