A case of sertraline-induced stuttering.
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Biomedical subjects
Publications and source records attributed to R A McElroy.
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This study focused on how clinicians combine symptom information about narcissistic personality disorder (NPD) to make a diagnosis. A sample of 59 psychiatrists and clinical psychologists were asked to read and diagnose 20 case histories of which 6 cases had criteria for NPD embedded as sentences. The number of criteria and the face validity of the criteria were varied across case histories. Three models of how criteria might be combined to form a diagnosis were compared: the polythetic model, the additive model, and the weighting model. The results were most consistent with the weighting model.
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The differences in patterns of kidney donation between whites and blacks were examined over a four-year period. A statistically significant difference in living-related kidney donation between blacks and whites was observed: blacks acted as living-related donors far less frequently than their white counterparts.
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Diagnosis and classification of the personality disorders is controversial and problematic. Diagnostic reliability is uneven because of overlapping of traits and the lack of clear boundaries between categories. This study demonstrates that personality disorder diagnosis is dependent on the total number of defining features. Clinicians tend to ignore the presence of conflicting features when making a diagnosis. A new research instrument, artificially created case histories that allow the specific manipulation of defining features (i.e., diagnostic criteria), is described.