An Investigation of Longitudinal Measurement Invariance and Item Response Theory Analysis of the LPFS-BF 2.0 in a Large Clinical Norwegian Sample
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The LPFS-BF 2.0 (Level of Personality Functioning-Brief Form 2.0) is a brief self-report instrument that was developed in order to gain a quick first impression of personality dysfunction and was designed to align with the Level of Personality Scale as outline... ...