title: The development and psychometric properties of an informant-report form of the personality inventory for DSM-5 (PID-5).
abstract: The current article reports on the development, psychometric properties, and external validity of an informant-report form of the Personality Inventory for DSM-5 (the PID-5-IRF). Using data from two nationally representative samples, as well as an elevated-risk community sample, we report on the PID-5-IRF item characteristics, scale properties, superordinate factor structure, and correlations with other measures. The PID-5-IRF replicates the factor structure of the self-report form and has relationships with other measures (including the PID-5 self-report form and a widely used Big Five measure) that are consistent with previous research and theory. We believe that the PID-5-IRF is a useful measure for a number of scenarios, such as when additional sources of information are desired, where informant measures are expected to provide incremental validity over self-report, where relationships or social perception is a focal interest, or when response bias is a salient concern. Areas for future research are also discussed.
authors.affiliation: University of Iowa, Iowa City, IA 52242, USA. kristian-markon@uiowa.edu
authors.forename: Kristian E
authors.initials: KE
authors.lastname: Markon
authors.forename: Lena C
authors.initials: LC
authors.lastname: Quilty
authors.forename: R Michael
authors.initials: RM
authors.lastname: Bagby
authors.forename: Robert F
authors.initials: RF
authors.lastname: Krueger
mesh_terms: D000328:Adult; D017028:Caregivers; D039721:Diagnostic and Statistical Manual of Mental Disorders; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008960:Models, Psychological; D010554:Personality Disorders / Q000175:diagnosis*; D010555:Personality Inventory; D011594:Psychometrics; D015203:Reproducibility of Results; D014481:United States
keywords: DSM-5; informant report; personality disorder; scale development