The evolution of illness phases in schizophrenia: A non-parametric item response analysis of the Positive and Negative Syndrome Scale

The evolution of illness phases in schizophrenia: A non-parametric item response analysis of the Positive and Negative Syndrome Scale

Background: The Positive and Negative Syndrome Scale (PANSS) assesses multiple domains of schizophrenia. Evaluation of each of these domains was conducted to assess differences in the characteristics of psychopathology and their relative predominance in sub-populations. Method: Subjects (N = 1,832)...

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Bibliographic Details
Main Authors: Anzalee Khan, Jean Pierre Lindenmayer, Mark Opler, Mary E. Kelley, Leonard White, Michael Compton, Zimeng Gao, Philip D. Harvey
Format: Article
Language:English
Published: Elsevier 2014-06-01
Series:Schizophrenia Research: Cognition
Subjects:
Schizophrenia subgroup
Psychopathology
Item response analysis
Online Access:http://www.sciencedirect.com/science/article/pii/S2215001314000067

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http://www.sciencedirect.com/science/article/pii/S2215001314000067

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