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    THE PSYCHOLOGIST AND PSYCHIATRIST IN COURT: PERCEIVED EXPERTNESS AND INFLUENCE.

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    Author
    WURSTEN, APRIL.
    Issue Date
    1986
    Keywords
    Forensic psychology.
    Forensic psychiatry.
    Evidence, Expert.
    Advisor
    Greenberg, Jeff
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    An analog study was devised to examine perceived differences between psychiatrists and psychologists in providing expert testimony on the insanity defense. The effects of issue involvement and initial attitude were also assessed. Subjects who had been exposed to the differences in training between the professionals were used. In a pilot investigation, subjects were exposed to identical testimony from a defense expert identified either as a psychiatrist or psychologist. Medical bias, as measured by the tendency to concur with the expert recommendations and endorse attitudes consistent with the M.D., was confirmed. This finding was especially strong among pro insanity defense subjects with low issue involvement. The failure to find a similar pattern among anti-insanity defense subjects with low issue involvement was thought to be an artifact of the absence of opposing testimony. The overall failure of highly involved anti insanity defense subjects to reach verdicts consistent with their initial attitudes, was also thought to result from the lack of opposing testimony. The primary study was designed to clarify the findings of the pilot investigation and to approximate a more authentic court situation by including an opposing expert. Witness credentials were manipulated while testimony remained constant. Some subjects were exposed to the Ph.D. for the defense and M.D. for prosecution and others to the M.D. for the defense and Ph.D. for the prosecution. Medical bias was evident in this study, again measured by the tendency to follow the recommendations of the M.D. and endorse attitudes consistent with those recommendations. Additionally, subjects tended to evaluate the psychiatrist more favorably than the psychologist. Subjects with low issue involvement were more susceptible to the influence of the medical expert. Highly issue involved subjects maintained their initial attitudes. Attitudes, issue involvement and credentials seemed to affect memory for facts of the case. In some instances, initial attitudes became stronger when mock jurors were exposed to the opposing view (polarization). Implications and limits of these findings were explored.
    Type
    text
    Dissertation-Reproduction (electronic)
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Psychology
    Graduate College
    Degree Grantor
    University of Arizona
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    Dissertations

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