David McClelland
American psychologist (1917-1998) · United States · On the map · Academics · Died at 80
David Clarence McClelland 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.
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McClelland is credited with developing Achievement Motivation Theory, commonly referred to as "need for achievement" or n-achievement theory. A Review of General Psychology survey published in 2002, ranked McClelland as the 15th most cited psychologist of the 20th century.