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Psychometric properties of the Social Phobia Inventory (SPIN): New self-rating scale

  • Kathryn M. Connor (a1), Jonathan R. T. Davidson (a1), L. Erik Churchill (a1), Andrew Sherwood (a1), Richard H. Weisler (a1) and Edna Foa (a2)...
Abstract
Background

Of available self-rated social phobia scales, none assesses the spectrum of fear, avoidance, and physiological symptoms, all of which are clinically important. Because of this limitation, we developed the Social Phobia Inventory (SPIN).

Aims

To establish psychometric validation of the SPIN.

Method

Subjects from three clinical trials and two control groups were given the 17-item, self-rated SPIN. Validity was assessed against several established measures of social anxiety, global assessments of severity and improvement, and scales assessing physical health and disability.

Results

Good test – retest reliability, internal consistency, convergent and divergent validity were obtained. A SPIN score of 19 distinguished between social phobia subjects and controls. The SPIN was responsive to change in symptoms over time and reflected different responses to active drugs v. placebo. Factorial analysis identified five factors.

Conclusions

The SPIN demonstrates solid psychometric properties and shows promise as a measurement for the screening of, and treatment response to, social phobia.

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Copyright
Corresponding author
Kathryn M. Connor, MD, Box 3812, Duke University Medical Center, Durham, NC 27710, USA. Tel: (919) 684-5849; Fax: (919) 684-8866; e-mail: kathryn.connor@duke.edu
Footnotes
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Declaration of interest

Supported in part by Social Phobia Grant IR10-MH49339 to J.R.T.D. and by a grant from Smith Kline Beecham.

Footnotes
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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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Psychometric properties of the Social Phobia Inventory (SPIN): New self-rating scale

  • Kathryn M. Connor (a1), Jonathan R. T. Davidson (a1), L. Erik Churchill (a1), Andrew Sherwood (a1), Richard H. Weisler (a1) and Edna Foa (a2)...
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