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. 2026 Feb 10.
doi: 10.1186/s12888-026-07863-y. Online ahead of print.

Psychometric properties of the BSL-23 (English translation) and its equivalency with the BSL-23 (German): an analysis based on Item Response Theory

Cathy Labrish  1 , Udi Alter  2 , Nikolaus Kleindienst  3   4 , David L Streiner  5 , Martin Bohus  3   4   6   7 , Shelley McMain  8   9
Affiliations
Free article

Psychometric properties of the BSL-23 (English translation) and its equivalency with the BSL-23 (German): an analysis based on Item Response Theory

Cathy Labrish et al. BMC Psychiatry. .
Free article
No abstract available

Keywords: BPD; BSL-23; Borderline Personality Disorder; Item Response Theory; Psychometrics; Symptom assessment.

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Conflict of interest statement

Declarations. Ethics approval and consent to participate: This study is a secondary analysis of data collected during previous studies, and was approved by the IRB of the Centre for Addiction and Mental Health. All previous studies strictly followed the ethical guidelines of the Declaration of Helsinki. Participants in these previous studies signed a written informed consent form prior to the start of their participation. Previous studies (including consent forms) providing data for the English sample were approved by the IRBs of the Center for Addiction and Mental Health, Toronto, Ontario, Canada and Simon Fraser University, Burnaby, BC, Canada. Previous studies (including consent forms) providing data for the German sample were approved by the Ethics Board of the Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany and the Ethical Board of the Medical School of the University of Freiburg, Germany. Consent for publication: Not applicable. Competing interests: The authors declare no competing interests.

References

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