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Robert Paul Abelson (September 12, 1928 – July 13, 2005) was a Yale University psychologist and political scientist with special interests in statistics and logic.

He was born in New York City and attended the Bronx High School of Science. He did his undergraduate work at MIT and his Ph.D. in psychology at Princeton University's Department of Psychology under John Tukey and Silvan Tomkins.

From Princeton, Abelson went to Yale, where he stayed for the subsequent five decades of his career. Arriving during the Yale Communication Project, Abelson contributed to the foundation of attitudes studies as co-author of Attitude Organization and Change: An Analysis of Consistency Among Attitude Component, (1960, with Rosenberg, Hovland, McGuire, & Brehm).

With Milton J. Rosenberg, he developed the notion of “symbolic psycho-logic," an early attempt, using an idiosyncratic kind of adjacency matrix of a signed graph, at a descriptive (rather than prescriptive) psychological organization of attitudes and attitude consistency, which was key to the development of the field of social cognition.

The notion that beliefs, attitudes, and ideology were deeply connected knowledge structures was contained in Scripts, Plans, Goals, and Understanding (1977, with Roger Schank), a work that has collected several thousand citations, and led to the first interdisciplinary graduate program in cognitive science at Yale. His work on voting behavior in the 1960 and 1964 elections, and the creation of a computer program modeling ideology (the “Goldwater machine”) helped define and build the field of political psychology.

He was the author of Statistics As Principled Argument which is not only a cogent review of how statistical analysis should proceed, but also a hands-on description of what statistical analysis is, why we should do it, and how to differentiate good from bad statistical arguments. He was a co-author of several other books in psychology, statistics, and political science. In 1959, Abelson published a paper to elucidate different ways in which an individual tends to resolve his "belief dilemmas" (Abelson «Modes of Resolution of Belief Dilemmas» Journal of conflict Resolution 1959). Zubair Ahmad in his doctoral thesis (presented at the "Ecole des Hautes Etudes en Sciences Sociales, Paris" in 2008) applied this concept to interpret some of the conflictual religious beliefs prevalent in the Pakistani society. According to Abelson, when an individual is confronted with such a situation in which he has to deal with two contradictory beliefs,he uses one of the following modes to resolve the dissonance of ideas and acquire harmony of thoughts. i- Denial ii- Bolstering iii- Differentiation iv- Transcendence In his thesis (A study of Islamic Fundamentalism in the light of Cognitive Dissonance Theory) Zubair Ahmad demonstrated that this model can help us understand the conflict between modern and religious values.

Abelson received the Distinguished Scientific Contribution Award from APA, the Distinguished Scientist Award from SESP, and the Distinguished Scientist Award from the International Society of Political Psychology. He was elected a Fellow of the American Academy of Arts and Sciences in 1978.[1]

He died of complications of Parkinson's disease.


  • Bush, Robert R. (1956). Mathematics for Psychologists, New York: Social Science Research Council.
  • Abelson, Robert P. (1995). Statistics as a Principled Argument, Hillsdale, N.J.: L. Erlbaum Associates.
  • Abelson, Robert P. (2004). Experiments with People : Revelations From Social Psychology, Mahwah, N.J.: Lawrence Erlbaum.


  1. Book of Members, 1780-2010: Chapter A. American Academy of Arts and Sciences. URL accessed on 20 March 2011.

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