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Publications [#273547] of Richard S. Keefe

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Journal Articles

  1. Harvey, PD; Lenzenweger, MF; Keefe, RS; Pogge, DL; Serper, MR; Mohs, RC (1992). Empirical assessment of the factorial structure of clinical symptoms in schizophrenic patients: formal thought disorder.. Psychiatry Research, 44(2), 141-151. [doi]
    (last updated on 2019/04/19)

    Male schizophrenic patients (n = 142) were examined with a clinical assessment of their language dysfunctions with the Scale for the Assessment of Thought, Language, and Communication (TLC). Confirmatory factor analyses were conducted to test the relative fit of several differential theoretical models of the factorial structure of thought disorders. The models examined were positive-negative thought disorder, a three-factor model based on the results of an earlier exploratory factor analysis, and a simpler verbal productivity-disconnection model that can be extracted from other exploratory analyses and empirical studies. The positive-negative thought disorder model failed to fit the data, while the three-factor model fit the data, but no better than the simpler verbal productivity-disconnection model.

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