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Predictability as an Index of Impaired Verbal Communication in Schizophrenic and Affective Disorders

Published online by Cambridge University Press:  29 January 2018

Ann Barnett Ragin  and
Thomas F. Oltmanns
Ann Barnett Ragin
Affiliation:
Department of Psychology, Northwestern University, Evanston, Illinois 60201, USA
Thomas F. Oltmanns
Affiliation:
Department of Psychology, Indiana University, Bloomington, Indiana 47405, USA
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Summary

The cloze procedure was used to examine predictability in speech samples from schizophrenic, depressive, manic, schizoaffective and normal subjects. Each speech sample was also rated for particular indices of thought disorder using the Andreasen Scale for the Assessment of Thought, Language and Communication. Schizophrenics were found to be less predictable than other patient groups or normals. Depressives were found to be the most predictable. Correlational analyses of cloze scores and specific thought disorder ratings suggest that reduced predictability is associated with traditional indicators of thought disorder.

Type
Research Article
Information
The British Journal of Psychiatry , Volume 143 , Issue 6 , December 1983 , pp. 578 - 583
Copyright
Copyright © 1983 The Royal College of Psychiatrists 

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