The admissibility of expert testimony regarding malingering and deception |
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Authors: | James R. P. Ogloff |
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Abstract: | This article discusses the legal admissibility of expert testimony and the ability of mental health professionals to detect malingering and deception among defendants. A legal analysis of the admissibility of expert testimony regarding malingering and deception in formal legal proceedings is presented. Some guidelines are provided to help mental health professionals and attorneys determine the admissibility of evidence they intend to introduce. Although psychologists and psychiatrists currently have a limited ability to identify accurately malingering and deception, expert testimony about the genuineness of a defendant's mental illness is likely to be held admissible for both practical and evidentiary reasons. In contrast, evidence about a witness' credibility is rarely admissible. In addition, psychologists are ethically obliged to recognize their limitations in making representations about their skills. |
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