Study of the psychometric qualities of the Brief Social Phobia Scale (BSPS) in Brazilian university students

Abstract Purpose To perform a psychometric analysis of the Brazilian version of the Brief Social Phobia Scale (BSPS). Materials and methods Hundred and seventy-eight university students of both genders aged on average 21.2 years and identified as Social Anxiety Disorder (SAD) cases and non-cases was...

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Bibliographic Details
Published in:European psychiatry 2010-04, Vol.25 (3), p.178-188
Main Authors: Osório, F.L, Crippa, J.A.S, Loureiro, S.R
Format: Article
Language:English
Subjects:
Adolescent
Adult
Biological and medical sciences
Brazil
Cross-Cultural Comparison
Female
Humans
Internal Medicine
Male
Medical sciences
Phobic Disorders - diagnosis
Phobic Disorders - psychology
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychometrics - statistics & numerical data
Psychometrics. Diagnostic aid systems
Psychopathology. Psychiatry
Reference Values
Reliability
Reproducibility of Results
Scales
Screening rating
Social anxiety
Social phobia
Students - psychology
Techniques and methods
Translating
Validity
Young Adult
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Summary:Abstract Purpose To perform a psychometric analysis of the Brazilian version of the Brief Social Phobia Scale (BSPS). Materials and methods Hundred and seventy-eight university students of both genders aged on average 21.2 years and identified as Social Anxiety Disorder (SAD) cases and non-cases was studied, with the structured clinical interview for DSM-IV being used as a parameter. The different instruments were applied in an individual manner in the presence of a rater and of an observer. Results The BSPS showed adequate internal consistency (0.48–0.88) and concurrent and divergent validity with the Beck Anxiety Inventory (BAI) (0.21–0.62), Social Phobia Inventory (0.24–0.82) and Self Statements During Public Speaking Scale (SSPS) (0.23–0.31). Discriminative validity revealed a sensitivity of 0.88–0.90 and a specificity of 0.81(0.83 for cut-off notes of 18/19. Factorial analysis demonstrated the presence of six factors that jointly explained 71.79% of data variance. Construct validity indicated some limits of the scale regarding the diagnosis of SAD. Inter-rater reliability was strong (0.86–1.00, p < 0.001). Conclusions The BSPS is adequate for use with university students, although further studies in different cultures, samples and contexts are still necessary.
ISSN:0924-9338
1778-3585
DOI:10.1016/j.eurpsy.2009.08.002