Personality pathology in youth: A comparison of the categorical and alternative model in relation to internalizing and externalizing pathology and age-adequate psychosocial functioning.

Youth with personality pathology are at a greater risk of developing broader psychopathology and experiencing poorer life outcomes in general. Therefore, detecting personality problems, specifically features of borderline personality disorder (BPD), provides opportunities for early intervention. In this study, we investigated the incremental value of Criteria A and B of the alternative model for personality disorders (AMPD) compared to a BPD symptom count based on the