The voice characterisation checklist: psychometric properties of a brief clinical assessment of voices as social agents

Autor: Clementine J. Edwards, Oliver Owrid, Lucy Miller, Hassan Jafari, Richard Emsley, Mar Rus-Calafell, Thomas K. J. Craig, Moya Clancy, Hamish McLeod, Miriam Fornells-Ambrojo, Jeffrey McDonnell, Alice Montague, Mark Huckvale, Sandra Bucci, Gillian Haddock, Philippa Garety, Thomas Ward
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Frontiers in Psychiatry, Vol 14 (2023)
Druh dokumentu: article
ISSN: 1664-0640
DOI: 10.3389/fpsyt.2023.1192655
Popis: AimThere is growing interest in tailoring psychological interventions for distressing voices and a need for reliable tools to assess phenomenological features which might influence treatment response. This study examines the reliability and internal consistency of the Voice Characterisation Checklist (VoCC), a novel 10-item tool which assesses degree of voice characterisation, identified as relevant to a new wave of relational approaches.MethodsThe sample comprised participants experiencing distressing voices, recruited at baseline on the AVATAR2 trial between January 2021 and July 2022 (n = 170). Inter-rater reliability (IRR) and internal consistency analyses (Cronbach’s alpha) were conducted.ResultsThe majority of participants reported some degree of voice personification (94%) with high endorsement of voices as distinct auditory experiences (87%) with basic attributes of gender and age (82%). While most identified a voice intention (75%) and personality (76%), attribution of mental states (35%) to the voice (‘What are they thinking?’) and a known historical relationship (36%) were less common. The internal consistency of the VoCC was acceptable (10 items, α = 0.71). IRR analysis indicated acceptable to excellent reliability at the item-level for 9/10 items and moderate agreement between raters’ global (binary) classification of more vs. less highly characterised voices, κ = 0.549 (95% CI, 0.240–0.859), p
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