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David Clarence McClelland (May 20, 1917 – March 27, 1998) was an American psychological theorist, noted for his work on Need Theory, publishing a number of works in the 1950s-1990s and developing new scoring systems for the Thematic Apperception Test and its descendants. McClelland is credited with developing the Achievement Motivation Theory commonly referred to as need achievement or n-achievement theory.
Life and career 
McClelland, born in Mt. Vernon in New York State, was awarded a bachelor of arts from Wesleyan University in 1938, and an MA from the University of Missouri the following year. He received his PhD from Yale University, and taught at Connecticut College and Wesleyan University before joining the faculty at Harvard University in 1956, where he worked for 30 years, serving as chairman of the Department of Social Relations. He moved to Boston University in 1987. Here, he was awarded the American Psychological Association Award for Distinguished Scientific Contributions.
“Understanding human motivation ought to be a good thing. It should help us to find out what we really want so that we can avoid chasing rainbows that are not for us. It should open up opportunities of self-development if we apply motivational principles to pursuing our goals in life”.
McClelland published a number of works during his career.
- The Achievement Motive (1953)
- The Achieving Society (1961)
- The Roots of Consciousness (1964)
- Toward A Theory Of Motivation Acquisition (1965)
- Power: The Inner Experience (1975)
- Managing Motivation to Expand Human Freedom (1978)
- Human Motivation (1987)
See also 
- Biography - David C. McClelland retrieved June 24, 2008
- Hoy, K. H., & Miskel, G. M. (2008). Structure in Schools. In E. Barrosse, D. Patterson, & J. Eccher (Eds.),Educational Administration: Theory, Research, and Practice (pp. 135-174). New York, NY: McGraw-Hill.
Hoy, K. H., & Miskel, G. M. (2008). Structure in Schools. In E. Barrosse, D. Patterson, & J. Eccher (Eds.),Educational Administration: Theory, Research, and Practice (pp. 135–174). New York, NY: McGraw-Hill. McClelland, David C. (1978). Managing motivation to expand human freedom. American Psychologist,33(3) 201-210.