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17 quotes by Martin SeligmanMartin E. P. "Marty" Seligman (born August 12, 1942) is an American psychologist, educator, and author of self-help books. His theory of learned helplessness is popular among scientific and clinical psychologists. Seligman is the Zellerbach Family Professor of Psychology in the University of Pennsylvania's Department of Psychology. He was previously the Director of the Clinical Training Program in the department. He is the director of the... Read full biography of Martin Seligman → |
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