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Psychometric Properties of a Fidelity Scale for Illness Management and Recovery.

Authors
  • Egeland, Karina Myhren1
  • Heiervang, Kristin Sverdvik2
  • Landers, Matthew3
  • Ruud, Torleif2, 4
  • Drake, Robert E3
  • Bond, Gary R3
  • 1 Division of Mental Health Services, Akershus University Hospital, Sykehusveien 25, 1478, Lørenskog, Norway. [email protected] , (Norway)
  • 2 Division of Mental Health Services, Akershus University Hospital, Sykehusveien 25, 1478, Lørenskog, Norway. , (Norway)
  • 3 Westat, Philadelphia, USA.
  • 4 Institute for Clinical Medicine, University of Oslo, Oslo, Norway. , (Norway)
Type
Published Article
Journal
Administration and policy in mental health
Publication Date
Nov 01, 2020
Volume
47
Issue
6
Pages
885–893
Identifiers
DOI: 10.1007/s10488-019-00992-5
PMID: 31701294
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This study examined the psychometric properties and feasibility of the Illness Management and Recovery (IMR) Fidelity scale. Despite widespread use of the scale, the psychometric properties have received limited attention. Trained fidelity assessors conducted assessments four times over 18 months at 11 sites implementing IMR. The IMR Fidelity scale showed excellent interrater reliability (.99), interrater item agreement (94%), internal consistency (.91-.95 at three time points), and sensitivity to change. Frequency distributions generally showed that item ratings included the entire range. The IMR Fidelity scale has excellent psychometric properties and should be used to evaluate and guide the implementation of IMR.Trial registration: ClinicalTrials.gov Identifier: NCT03271242.

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