Abstract
This article attempts a comprehensive and critical review of the by-now fairly extensive literature on the Barnum effect—the approval/acceptance by subjects of bogus personality interpretations supposedly derived from standard tests. Since the last major review eight years ago various methodological extensions have occurred and various rival hypotheses for established findings have been proposed. The present review is divided into three major sections: client and clinician characteristics; feedback statements and test format; and implications for personality assessment and measurement. Nearly 50 studies on the acceptance of personality interpretations are systematically reviewed and criticized.
Similar content being viewed by others
References
Bachrach, A.K., & Pattishall, E.G. (1960). An experiment in universal and personal validation.Psychiatry, 23, 267–270.
Baillargeon, J., & Danis, C. (1984). Barnum meets the computer: A critical test.Journal of Assessment, 48, 415–419.
Baucom, D.H., & Greene, R.L. (1979). The university of generalized personality statements.Journal of Personality Assessment, 43, 497–500.
Bayne, R. (1980). Interpretations and uses of research on “Barnum” personality statements.British Journal of Guidance and Counselling, 8, 233–236.
Carrier, N.A. (1963). Need correlates of “gullibility.”Journal of Abnormal and Social Psychology, 66, 84–86.
Collins, R.W., Dmitruk, V.M., & Ranney, J.J. (1977). Personal validation: Some empirical and ethical considerations.Journal of Consulting and Clinical Psychology, 45, 70–77.
Dana, R.H., & Fouke, H. (1979). Barnum statements in reports of psychological assessment.Psychological Reports, 44, 1215–1221.
Dana, R.H., & Graham, E.D. (1976). Feedback of client-relevant information and clinical practice.Journal of Personality Assessment, 40, 464–469.
Delaney, J.G., & Woodyard, H.D. (1974). Effects of reading an astrological description on responding to a personality inventory.Psychological Reports, 34, 1214.
Dickson, D.H., & Kelly, I.E. (1985). The “Barnum Effect” in personallity assessment: A review of the literature.Psychological Reports, 57, 367–382.
Dies, R.R. (1972). Personal gullibility or pseudo-diagnosis: A further test of the “Fallacy of Personality Validation.”Journal of Clinical Psychology, 28, 47–50.
Dmitruk, V.M., Collins, R.W., & Clinger, D.I. (1973). The “Barnum Effect” and acceptance of negative personal evaluation.Journal of Consulting and Clinical Psychology, 41, 192–194.
Fichter, C.S., & Sunerton, D. (1983). Popular horoscopes and the “Barnum Effect.”Journal of Psychology, 114, 123–124.
Forer, B.R., (1949). The fallacy of personal validation: A classroom demonstration of gullibility.Journal of Abnormal and Social Psychology, 44, 118–123.
Forer, B.R. (1968). Personality validation and the person.Psychological Reports, 23, 1214.
Furnham, A. (1986). Response bias, social desirability, and dissimulation.Personality and Individual Differences, 7, 385–400.
Furnham, A., & Henderson, M. (1983). The mote in thy brother’s eye, and the beam in thine own: Predicting one’s own and others’ personality test scores.British Journal of Psychology, 74, 381–389.
Furnham, A., Borovoy, A., & Henley, S. (1986). Type A behavior pattern, the recall of positive personality information, and self-evaluation.British Journal of Medical Psychology, in press.
Greene, R.L. (1977). Student acceptance of generalized personality interpretations: A reexamination.Journal of Consulting and Clinical Psychology, 45, 965.
Greene, R.L. (1978). Can clients provide valuable feedback to clinicians about their personality interpretations? Greene replies.Journal of Consulting and Clinical Psychology, 46, 1496–1497.
Greene, R.L., Baucom, D.H., & Macon, R.S. (1980). Students’ acceptance of high and low generalized personality interpretations.Journal of Clinical Psychology, 36, 166–170.
Greene, R.L., Harris, M.E., & Macon, R.S. (1979). Another look at personal validation.Journal of Personality Assessment, 43, 419–423.
Halperin, K.M., & Snyder, C.R. (1979). Effects of enhanced psychological test feedback on treatment outcomes: therapeutic implications of the Barnum effect.Journal of Consulting and Clinical Psychology, 47, 140–146.
Halperin, K., Snyder, C., Shenkel, R., & Houston, B. (1976). Effects of source status and message favorability on acceptance of personality feedback.Journal of Applied Psychology, 61, 85–88.
Hampson, S.E., Gilmour, R., & Harris, P.L. (1978). Accuracy in self-perception: The fallacy of personal validation.British Journal of Social and Clinical Psychology, 17, 231–235.
Harris, M.E., & Greene, R.L. (1984). Students’ perception of actual, trivial, and inaccurate personality feedback.Journal of Personality Assessment, 48, 179–184.
Hinrichsen, J.J., & Bradley, L.A. (1974). Situational determinants of personal validation of general personality interpretations.Journal of Personality Assessment, 38, 6.
Jackson, D.E. (1978). The effects of test-taking on acceptance of bogus personality statements.Journal of Clinical Psychology, 34, 63–68.
Lattal, K.A., & Lattal, A.D. (1967). Students’ “gullibility”: A systematic replication.Journal of Psychology, 67, 319–322.
Layne, C. (1978). Relationship between the Barnum Effect and personality inventory responses.Journal of Clinical Psychology, 34, 94–97.
Layne, C. (1979). The Barnum Effect: Rationality versus gullibility.Journal of Consulting and Clinical Psychology, 47, 219–221.
Layne, C., & Alley, G. (1980). How and why people accept personality feedback.Journal of Personality Assessment, 44, 541–546.
Layne, C., & Michels, P.Y. (1979). Inventory responding as a model of people’s acceptance of personality interpretations.Journal of Personality Assessment, 43, 509–513.
Manning, E.J. (1968). “Personal validation”: Replication of Forer’s study.Psychological Reports, 23, 181–182.
Marks, P.A., & Seeman, W. (1962). On the Barnum Effect.Psychological Record, 12, 203–208.
Meehl, P.E. (1956). Wanted—a good cookbook.American Psychologist, 11, 262–272.
Merrens, M.R., & Richards, W.S. (1970). Acceptance of generalized versus bona fide personality interpretations.Psychological Reports, 27, 691–694.
Merrens, M.R., & Richards, W.S. (1973). Length of personality inventory and the evaluation of a generalized personality interpretation.Journal of Personality Assessment, 37, 83–85.
Mosher, D.L. (1965). Approval motive and acceptance of “fake” personality test interpretations which differ in favorability.Psychological Reports, 17, 395–402.
O’Dell, J.W. (1972). P.T. Barnum explores the computer.Journal of Consulting and Clinical Psychology, 38, 270–273.
Orpen, R.B., & Jamotte, A. (1975). The acceptance of generalized personality interpretations.Journal of Social Psychology, 96, 147–148.
Richards, W.S., & Merrens, M.R. (1971). Student evaluation of generalized personality assessment as a function of method of assessment.Journal of Clinical Psychology, 27, 457–459.
Rosen, G.M. (1975). Effects of source prestige on subjects’ acceptance of the Barnum Effect: Psychologist versus astrologer.Journal of Consulting and Clinical Psychology, 43, 95.
Schroeder, H.E., & Lesyk, C.K. (1976). Judging personality assessments: Putting the Barnum Effect in perspective.Journal of Personality Assessment, 40, 470–474.
Snyder, C.R. (1974a). Why horoscopes are true: The effects of specificity on acceptance of astrological interpretations.Journal of Clinical Psychology, 30, 577–580.
Snyder, C.R. (1974b). Acceptance of personality interpretations as a function of assessment procedures.Journal of Consulting and Clinical Psychology, 42, 150.
Snyder, C.R., & Clair, M.S. (1977). Does insecurity breed acceptance?: Effects of trait and situational insecurity on acceptance of positive and negative diagnostic feedback.Journal of Consulting and Clinical Psychology, 45, 843–850.
Snyder, C.R., Handelsman, M.M., & Endelman, J.R. (1978). Can clients provide valuable feedback to clinicians about their personality interpretations? A reply to Greene.Journal of Consulting and Clinical Psychology, 46, 1493–1495.
Snyder, C.R., & Larsen, G.R. (1972). A further look at student acceptance of general personality interpretations.Journal of Consulting and Clinical Psychology, 38, 384–388.
Snyder, C.R., Larsen, D.K., & Bloom, L.J. (1976). Acceptance of personality interpretations prior to and after receiving diagnostic feedback supposedly based on psychological, graphological and astrological assessment procedures.Journal of Clinical Psychology, 32, 258–265.
Snyder, C.R., & Shenkel, R.J. (1975). Astrologers, handwriting analysts, and sometimes psychologists use the P.T. Barnum effect.Psychology Today, March, 52–54.
Snyder, C.R., & Shenkel, R.J. (1976). Effects of favorability, modality, and relevance upon acceptance of general personality interpretations prior to and after receiving diagnostic feedback.Journal of Consulting and Clinical Psychology, 44, 34–41.
Snyder, C.R., Shenkel, R.J., & Lowery, C.R. (1977). Acceptance of personality interpretations: the “Barnum Effect” and beyond.Journal of Consulting and Clinical Psychology, 45, 104–114.
Stachnik, R., & Stachnik, B. (1980). Acceptance of nonspecific astrological personality descriptions: an empirical demonstration.Psychological Reports, 47, 537–538.
Stagner, R. (1958). The gullibility of personel managers.Personnel Psychology, 11, 347–352.
Sundberg, N.D. (1955). The acceptability of “fake” versus “bona fide” personality test interpretations.Journal of Abnormal and Social Psychology, 50, 145–147.
Tyson, G. (1982a). People who consult astrologers: A profile.Personality and Individual Differences, 13, 119–126.
Tyson, G. (1982b). Why people perceive horoscopes as being true: A review.Bulletin of the British Psychological Society, 35, 186–188.
Ulrich, R.E., Strachnik, T.J., & Stainton, N.R. (1963). Student acceptance of generalized personality interpretations.Psychological Reports, 13, 831–834.
Weinberger, W.S., & Bradley, L.A. (1980). Effects of favorability and type af assessment device upon acceptance of general personality interpretations.Journal of Personality Assessment, 44, 44–47.
Weisberg, P. (1970). Student acceptance of bogus personality interpretations differing in level of social desirability.Psychological Reports, 27, 743–746.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Furnham, A., Schofield, S. Accepting personality test feedback: A review of the Barnum effect. Current Psychology 6, 162–178 (1987). https://doi.org/10.1007/BF02686623
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF02686623