The Bipolar Prodrome Symptom Interview and Scale–Prospective (BPSS‐P): description and validation in a psychiatric sample and healthy controls

Objective The aim of the present study was to investigate the psychometric properties of the Bipolar Prodrome Symptom Interview and Scale–Prospective ( BPSS ‐P), the first specific interview for emerging bipolar disorder ( BD ) symptoms. Methods A total of 205 youth aged 12–23 years and/or their …