Psychopathology of Schizophrenia: Initial Validation of a 5-Factor Model
作者:
Jean-Pierre Lindenmayer,
Ruth Bernstein-Hyman,
Sandra Grochowski,
Nigel Bark,
期刊:
Psychopathology
(Karger Available online 1995)
卷期:
Volume 28,
issue 1
页码: 22-31
ISSN:0254-4962
年代: 1995
DOI:10.1159/000284896
出版商: S. Karger AG
数据来源: Karger
摘要:
Schizophrenic psychopathology is heterogeneous and multidimensional. One of the more fruitful strategies to investigate more homogenous domains of psychopathology has been the positive-negative syndrome approach. However, this approach is unable to address a number of important issues. Most schizophrenics present a mixed syndrome; the criteria for what constitutes a positive and negative syndrome are variable; distinguishing primary from secondary negative symptoms can be difficult. In order to address some of these problems, we propose the introduction of a 5-syndrome model based on a reanalysis of factor-analytic procedures used on 240 schizophrenics assessed with the Positive and Negative Syndrome Scale: A negative, positive, excitement, cognitive and depression/anxiety factor. This 5-factor solution is supported by 4 independent and comparable factor analyses. Data on internal consistency of the 5 factors and on initial validation using demographic and clinical variables are presented.
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