Development and Validation of the Negative Symptom Inventory-Psychosis Risk.
Gregory P StraussElaine F WalkerAndrea Pelletier-BaldelliNathan T CarterLauren M EllmanJason SchiffmanLauren LutherSydney H JamesAlysia M BerglundTina GuptaIvanka RistanovicVijay Anand MittalPublished in: Schizophrenia bulletin (2023)
These findings support the psychometric properties of the NSI-PR and guided the creation of a new 11-item NSI-PR that will be validated in the next phase of this multi-site scale development project.