David McClelland

American psychologist (1917–1998)

David Clarence McClelland (May 20, 1917 – March 27, 1998) was an American psychologist, noted for his work on motivation need theory. He published a number of works between the 1950s and the 1990s and developed new scoring systems for the Thematic Apperception Test (TAT) and its descendants. McClelland is credited with developing Achievement Motivation Theory, commonly referred to as "need for achievement" or n-achievement theory.

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