Measurement Invariance of Psychotic-Like Symptoms as Measured With the Prodromal Questionnaire, Brief Version (PQ-B) in Adolescent and Adult Population Samples

Measurement Invariance of Psychotic-Like Symptoms as Measured With the Prodromal Questionnaire, Brief Version (PQ-B) in Adolescent and Adult Population Samples

Valid measurement of group differences in self-reported psychotic-like experiences (PLEs) requires knowing any group-specific measurement properties of the instruments. We investigated the measurement invariance of the 21-item Prodromal Questionnaire–Brief (PQ-B) questionnaire across gender, ethnic...

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Bibliographic Details
Main Authors: Ulla Lång, Vijay Anand Mittal, Jason Schiffman, Sebastian Therman
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-01-01
Series:Frontiers in Psychiatry
Subjects:
psychotic experiences
perceptual abnormalities
PQ-B
differential item functioning (DIF)
measurement invariance (MI)
young adults
Online Access:https://www.frontiersin.org/articles/10.3389/fpsyt.2020.593355/full

Internet

https://www.frontiersin.org/articles/10.3389/fpsyt.2020.593355/full

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