Original Research Prim Care Companion CNS Disord July 2026

Psychometric Properties of the Borderline Symptom List 23 for Brazilian Portuguese in a Nonclinical Sample

PCC CNS Disord 2026;28(4):10.4088/PCC.26m04184

Full Article Read the complete peer-reviewed article in Prim Care Companion CNS Disord. PCC CNS Disord 2026;28(4):10.4088/PCC.26m04184 Clinical Summary Clinicians in Brazil need brief tools that capture borderline symptom severity, not just categorical borderline personality disorder diagnoses. This study provides validation data for a Brazilian Portuguese version of the Borderline Symptom List 23, supporting its use when a rapid appraisal of current borderline symptom burden or repeated symptom monitoring is needed. FAQ What is the Brazilian Portuguese BSL-23 designed to measure? 12 questions
Key Takeaways The Brazilian Portuguese BSL-23 supported a stable 1-factor structure across 3 random subsamples, with factor 1 explaining 56.6%, 56.8%, and 55.5% of the variance; clinicians and researchers can interpret the total score as a coherent index of borderline symptom severity rather than as separate subscales. 6 takeaways Clinical Guide How should clinicians use the Brazilian Portuguese BSL-23 to assess current borderline symptom severity? 5 steps Clinical Guide How can clinicians use the Brazilian Portuguese BSL-23 to follow borderline symptom change over time? 5 steps
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