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The Omnipotence of Voices II: the Beliefs About Voices Questionnaire (BAVQ)

  • Paul Chadwick (a1) and Max Birchwood (a2)

Extract

Background

We describe the development and psychometric investigation of the Beliefs About Voices Questionnaire (BAVQ), a self-report measure of how people understand and respond to their voices. The measure is unique in being driven by and gathering data essential to a cognitive formulation of voices.

Method

Sixty subjects with chronic hallucinatory voices took part.

Results

Psychometric properties of the scales were established, including test-retest reliability (mean = 0.89), internal reliability (mean Cronbach's α = 0.85), and construct validity using factor analysis and the criterion group method.

Conclusions

The BAVQ was found to be easy to complete and the scale may aid clinical assessment of voices, not least because of the possible value of cognitive therapy as a treatment approach.

Copyright

Corresponding author

Dr Paul Chadwick, Northern Birmingham Mental Health NHS Trust, All Saints Hospital, Lodge Road, Winson Green, Birmingham B18 5SD

References

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American Psychiatric Association (1987) Diagnostic and Statistical Manual of Mental Disorders (3rd edn, revised) (DSM–III–R). Washington, DC: APA.
Chadwick, P. D. J. & Birchwood, M. J. (1994) The omnipotence of voices: a cognitive approach to auditory hallucinations. British Journal of Psychiatry, 164, 190201.
Fowler, D. & Morley, S. (1989) The cognitive behavioural treatment of hallucinations and delusions: a preliminary study. Behavioural Psychotherapy, 17, 267282.
Garety, P. A. (1991) Reasoning and delusions. British Journal of Psychiatry, 159, (suppl. 10), 1418.
Guttman, L. (1945) A basis for analysing test-retest reliability. Psychometrika, 10, 252282.
Haddock, G., Bentall, R. & Slade, P. (1993) Psychological treatment of chronic auditory hallucinations: two case studies. Behavioural and Cognitive Psychotherapy, 21, 335346.
Kingdon, D. & Turkington, K. (1991) The use of cognitive-behaviour therapy with a normalising rationale in schizophrenia. Journal of Nervous and Mental Disease, 179, 207211.
Strauss, J. S. (1969) Hallucinations and delusions as points on continua functions. Archives of General Psychiatry, 21, 581586.
Winer, B. J. (1971) Statistical Principles in Experimental Design. London: McGraw Hill.
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The British Journal of Psychiatry
  • ISSN: 0007-1250
  • EISSN: 1472-1465
  • URL: /core/journals/the-british-journal-of-psychiatry
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The Omnipotence of Voices II: the Beliefs About Voices Questionnaire (BAVQ)

  • Paul Chadwick (a1) and Max Birchwood (a2)
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