David McClelland
American psychologist who developed Achievement Motivation Theory and operant test methods.
David Clarence McClelland (May 20, 1917 – March 27, 1998) was an American psychologist best known for his work on motivation need theory. A 2002 survey ranked him as the 15th most cited psychologist of the 20th century. Born in Mt. Vernon, New York, he earned a Bachelor of Arts from Wesleyan University in 1938, a Master of Arts from the University of Missouri in 1939, and a PhD in experimental psychology from Yale University in 1941. After teaching at Connecticut College and Wesleyan, he joined Harvard University in 1956, where he spent 30 years, eventually chairing the Department of Psychology and Social Relations. In 1987, he moved to Boston University and received the American Psychological Association Award for Distinguished Scientific Contributions. A devoted Quaker, McClelland developed new scoring systems for the Thematic Apperception Test (TAT) and its descendants. His work centered on four major themes: expectancy-value theory of human motivation; operant methods like the TAT, Behavioral Event Interview, and Test of Thematic Analysis; job-competency studies; and applying research to help individuals and social systems, including motivation development, organizational change, and addressing stress and addiction. He founded 14 research and consulting companies, the largest being McBer and Company (1965–1989). McClelland focused on three core motives: need for achievement (N-Ach), need for affiliation (N-Aff), and need for power (N-Pow). His early work linked the achievement motive to economic development and entrepreneurship. In the 1960s, he shifted to the power motive, studying addiction, alcoholism, leadership, and community development. He argued that operant tests, which require generating thoughts, were more valid predictors of behavior than respondent measures like self-assessments. He also examined how motives influenced large-scale societal trends, including economic growth, war, and health.
- field
- Psychology
- nationality
- American
- known_for
- Achievement Motivation Theory (n-achievement), need for achievement, need for power, need for affiliation, operant test methods, job competency studies
Lore & Background
David McClelland was born in Mt. Vernon, New York. He taught at Connecticut College and Wesleyan University before joining Harvard University in 1956, where he worked for 30 years and served as chairman of the Department of Psychology and Social Relations. He was a devoted Quaker. McClelland's work focused on personality and its application to improving lives. He developed the expectancy-value theory of human motivation, focusing on three motives: need for achievement (N-Ach), need for affiliation (N-Aff), and need for power (N-Pow). He argued that operant methods—tests requiring a person to generate thoughts or actions—were more valid predictors of behavior than respondent measures. He also led job-competency studies, defining competencies as behavioral capabilities that include intent, and used methods like Behavioral Event Interviews to distinguish superior from average performers. McClelland believed in applying research results to help people. His work extended to examining cultural and country-wide effects of motives on economic development, job creation, wars, and health. He also addressed addiction and alcoholism, leadership effectiveness, and community development.
Reader's Guide
David McClelland's significance lies in his development of Achievement Motivation Theory, which identified three core human motives—achievement, power, and affiliation—and linked them to economic development, entrepreneurship, and organizational behavior. His insistence on operant measures over self-report questionnaires challenged mainstream psychology and influenced assessment practices in management and education. By shifting focus from tasks to the person, his competency research provided a framework for training, selection, and career development that became standard in many organizations. His work on the power motive extended into studies of addiction and natural healing. Although his theories have been debated, his emphasis on applying psychological knowledge to real-world problems—such as training small business owners in developing countries—demonstrated a practical legacy.
Did You Know?
- He developed new scoring systems for the Thematic Apperception Test and its descendants.
- His work on motivation was cited as the most useful approach to motivation by the former accounting firm Touche Ross & Company.
Frequently Asked Questions
What is McClelland's Achievement Motivation Theory?
It proposes that a person's 'need for achievement' (n-achievement) is a stable, learned drive that pushes them toward challenging goals and personal mastery rather than external rewards. McClelland argued this motive could be identified and shaped through experience.
What did McClelland contribute to the Thematic Apperception Test?
He developed new scoring systems for the TAT and its later variants, turning the projective picture-story exercise into a practical instrument for uncovering underlying motivational needs.
What fields beyond psychology did McClelland's work affect?
His operant testing methods and job-competency frameworks became foundational in business management, leadership training, and human-resources research. Organizations adopted his need-based models to design roles, performance criteria, and development programs.
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