What Murray's theory of psychogenic needs says
American psychologist Henry Murray argued that human behavior is driven not just by physiological needs like hunger and thirst, but also by psychological needs -- wanting to achieve, wanting recognition, wanting to help others, and so on. He called these "psychogenic needs" and proposed a list of more than 20 of them, including autonomy, order, exhibition, and understanding. He argued that the particular strength and combination of these needs in each person produces the different personalities and behavior patterns we see.
How he studied it, and how McClelland later simplified it
To measure this theory, Murray developed the Thematic Apperception Test (TAT) together with Christiana Morgan. The test shows a person an ambiguous image and asks them to make up a story about it, on the idea that the story will reveal the person's own underlying needs -- a projective testing method still used in a limited way in clinical and research settings today. Murray's student David McClelland later took this large list of needs and condensed it down to just three -- achievement, power, and affiliation -- that mattered most in organizational and workplace settings, effectively turning Murray's broad theory into a more practical, applied sub-theory.
Frequently Asked Questions
Exactly how many needs did Murray identify?
Murray presented a list of more than 20 psychogenic needs in his 1938 book, and later researchers have organized the list somewhat differently. This page covers some of the needs most commonly cited in discussions of personality.
Can these needs conflict with each other?
Yes. Murray believed these needs can clash or pull in opposite directions -- for example, the need for autonomy and the need for succorance can work against each other, and different needs can dominate in the same person depending on the situation.