Editing Clayton Alderfer

[[File:Alderfer's ERG Theory.svg|thumb|Alderfer's ERG Theory]]
{{Short description|American psychologist}}
'''Clayton Paul Alderfer''' (September 1, 1940 - October 30, 2015)<ref>{{Cite web |url=http://www.longfuneralhome.com/obituaries/Clayton-Alderfer/ |title=Clayton P. Alderfer Obituary - Visitation & Funeral Information |access-date=2016-11-10 |archive-url=https://web.archive.org/web/20170111081657/http://www.longfuneralhome.com/obituaries/Clayton-Alderfer/ |archive-date=2017-01-11 |url-status=dead }}</ref> was an American [[psychologist]] and consultant known for developing [[Abraham Maslow]]'s [[hierarchy of needs]] into a framework of three essential categories: existence, relatedness, and growth.

== Biography ==
Born in [[Sellersville, Pennsylvania]], Alderfer obtained his BA in psychology in 1962 at [[Yale University]], where he also obtained his PhD in psychology 1966. In 1977 he also obtained certification from the [[American Board of Professional Psychology]] (ABPP).

After graduation, Alderfer started his academic career at [[Cornell University]] in 1966. In 1968 he returned to [[Yale University]], where he was researcher, lecturer and program director in the Department of Administrative Sciences until 1992. In 1992 he moved to [[Rutgers University]], where he acted as the program director for the Organizational Psychology department at the Graduate School of Applied and Professional Psychology for 12 years. In the new millennium he started his own consultancy firm.{{cn|date=June 2024}}

== Work ==
{{main|ERG theory}}
Alderfer developed [[Maslow's hierarchy of needs]] into a framework consisting of three essential categories: [[existence, relatedness, and growth]] (ERG theory).<ref>[http://courses.washington.edu/inde495/lece.htm E - Motivation in Organizations], University of Washington Industrial Engineering course syllabus, accessed on 25 June 2024</ref>

== Selected publications ==
* Alderfer, Clayton P., An Empirical Test of a New Theory of Human Needs; Organizational Behaviour and Human Performance, volume 4, issue 2, pp.&nbsp;142–175, May 1969
* Alderfer, C. P., Existence, Relatedness, and Growth; Human Needs in Organizational Settings, New York: Free Press, 1972
* Alderfer, C. P., "A critique of Salancik and Pfeffer's examination of need-satisfaction theories, Administrative Science Quarterly, 22 (1977), 658-669
*Alderfer, C. P., The Methodology of Organizational Diagnosis, Professional Psychology, 1980, 11, 459–468.
*Alderfer, C. P., An Intergroup Perspective on Group Dynamics. In J. W. Lorsch (editor), Handbook of Organizational Behavior, 1987, 190–222.
*Alderfer, C. P., Consulting to Underbounded Systems, C. P. Alderfer and C. L. Cooper (editors), Advances in Experiential Social Processes, 1980, 2, 267–295.
*Alderfer, C. P., Improving organizational communication through long-term intergroup intervention, Journal of Applied Behavioral Science, 1977, 13, 193–210.
*Alderfer, C. P. and Brown, L. D., Learning from changing, 47–56,129-141.
*Alderfer, C.P. (2005), The Five Laws of Group and Intergroup Dynamics.

==References==
{{reflist}}

{{Authority control}}

{{DEFAULTSORT:Alderfer, Clayton}}
[[Category:1940 births]]
[[Category:2015 deaths]]
[[Category:20th-century American psychologists]]
[[Category:Motivational theories]]
[[Category:People from Sellersville, Pennsylvania]]