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Title: Willingness and Acceptance of Delusions Scale: early findings on a new instrument for psychological flexibility
Authors: Martins, Maria João
Castilho, Paula
Macedo, António
Pereira, Ana Telma
Vagos, Paula
Carvalho, Diana
Bajouco, Miguel
Madeira, Nuno
Nogueira, Vasco
Carvalho, Célia Barreto
Keywords: Acceptance and Commitment Therapy
Issue Date: 2018
Publisher: Taylor & Francis
Citation: Martins, M. J., Castilho, P., Macedo, A., Pereira, A. T., Vagos, P., Carvalho, D., Bajouco, M., Madeira, N., Nogueira, V., & Barreto Carvalho, C. (2018). Willingness and Acceptance of Delusions Scale: early findings on a new instrument for psychological flexibility. Psychosis, 10(3), 198-207. Doi: 10.1080/17522439.2018.1502340. Disponível no Repositório UPT,
Abstract: Acceptance and Commitment Therapy and related constructs (experiential avoidance, cognitive defusion and committed action) have recently been applied to psychosis. However, with a few exceptions, this application has not resulted in symptom-specific assessment instruments. The current work intends to develop a measure for assessing experiential acceptance regarding delusions (the Willingness and Acceptance for Delusions Scale) and to conduct a preliminary study of its psychometric properties in a sample of 91 patients with a psychotic disorder, mostly male (87%), single (86%), unemployed (44%), presenting with a schizophrenia diagnosis (71%), and currently with delusions (last week – 52%). Exploratory factor analysis yielded a three-factor structure (Acceptance and Action, Non-entanglement and Non-struggling), which adequately fitted the data and reflected the intended constructs within an Acceptance and Commitment Therapy framework. Scores from all factors achieved adequate reliability and were associated with mindfulness and satisfaction with life. These early findings point to the internal and construct validity and reliability of the scores of the WADS. Although further research into the scale’s psychometric properties, particularly construct validity, is needed, its use in research and clinical practice with psychosis populations seems substantiated.
ISSN: 1752-2439
Appears in Collections:INPP - Artigos em Revistas Internacionais / Papers in International Journals

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