Year: 2004
Type: dissertation
Abstract: This study describes the development, reliability, and validity of a new observer-rated version of the Beck Depression Inventory – Second Edition (BDI-II). This measure, called the Beck Depression Inventory – II – Observer (BDI-II-O), is identical in form, content, and scoring to the BDI-II, and allows informants to report on the depressive symptoms of others. The informants for this initial study were clinicians; however, the BDI-II-O is designed for use by a wider range of informants. A group of four clinicians completed the BDI-II-O on each of 36 adult psychiatric patients in an intensive outpatient/partial hospitalization program. The patients completed the BDI-II, and scores were compared between the patient and clinician groups, as well as between clinicians. The BDI-II-O demonstrated high internal consistency (r = .96) and test-retest reliability (r = .88). Results from an exploratory cluster analyses indicated that a two-cluster solution optimally summarized the data for the BDI-II-O, although a one cluster solution was salient for the BDI-II. Results showed a moderate level of correlation between patient and clinician ratings (r = .59) a high level of interrater reliability between the four clinicians (ICC = .88). Overall results supported the preliminary reliability and validity of the BDI-II-O as an observer rated measure of depressive severity, and suggested that further study of the BDI-II-O is warranted.
Author: Linda A. Longan
Language: English
Subfield: Experimental and Cognitive Psychology
Field: Psychology
Domain: Social Sciences
Open Access status: green
OpenAlex ID: W1579757399