Preliminary support for using the Atypicality Scale from the Behavior Assessment System for Children, Second Edition, to screen for psychosis-spectrum disorders within a college counselling centre

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https://onlinelibrary.wiley.com/doi/10.1111/eip.12972

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https://doi.org/10.1111/eip.12972
 http://hdl.handle.net/11603/29332

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https://orcid.org/0000-0002-7987-8080
 https://orcid.org/0000-0002-5958-7219
 https://orcid.org/0000-0001-8008-3552
 https://orcid.org/0000-0002-1363-4497

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2020-05-21

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journal articles
postprints
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Citation of Original Publication

Thompson, EC, DeLuca, JS, Petti, E, Rakhshan Rouhakhtar, P, Schiffman, J. Preliminary support for using the Atypicality Scale from the Behavior Assessment System for Children, Second Edition, to screen for psychosis-spectrum disorders within a college counselling centre. Early Intervention in Psychiatry. 2021; 15: 406–411. https://doi.org/10.1111/eip.12972

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This is the peer reviewed version of the following article: Thompson, EC, DeLuca, JS, Petti, E, Rakhshan Rouhakhtar, P, Schiffman, J. Preliminary support for using the Atypicality Scale from the Behavior Assessment System for Children, Second Edition, to screen for psychosis-spectrum disorders within a college counselling centre. Early Intervention in Psychiatry. 2021; 15: 406–411. https://doi.org/10.1111/eip.12972, which has been published in final form at https://doi.org/10.1111/eip.12972. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

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Abstract

Aim Evidence supports the use of brief psychosis-spectrum screeners for identifying individuals at risk for psychosis. Screening has not been well-studied in help-seeking college samples. This study investigated the use of the Behavior Assessment System for Children, Second Edition (BASC-2) Atypicality Scale as a psychosis-spectrum screening tool within a university counselling centre. Methods Atypicality scores from the BASC-2 were compared to interview-based assessment, the Structured Interview for Psychosis-risk Syndromes (SIPS), to explore associations across the measures and evaluate the scale's ability to identify individuals who meet criteria for a psychosis-spectrum diagnosis. Results Forty-three participants completed the BASC-2 and SIPS, and 23 were SIPS-positive. Compared to the SIPS-negative group, the SIPS-positive group had significantly higher Atypicality scores. Exploratory results indicated that Atypicality scores identified SIPS-positive individuals with an overall accuracy of 72% (78% sensitivity, 65% specificity). Conclusion The Atypicality Scale may be an appropriate first-line psychosis-spectrum screening tool in college counselling centres.