Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.12/3311
Título: Validation of the psychometric properties of acceptance and action questionnaire-II in clinical and nonclinical groups of portuguese population
Autor: Costa, Joana
Maroco, João
Gouveia, José Augusto Pinto
Galhardo, Ana
Palavras-chave: Experiential avoidance
One-factor model
Factorial invariance
Clinical and nonclinical groups
Data: 2014
Editora: Asociación de Análisis del Comportamiento
Citação: International Journal of Psychology and Psychological Therapy, 14, 353-364
Resumo: This study explores the factor structure of the Acceptance and Action Questionnaire (AAQ-II) in both clinical and general normative groups. It also examines the factorial invariance of a one-factor proposed model in both groups. Data was collected from the overall database of a Portuguese Cognitive and Behavioral Research Center (N= 687, 425 females; mean age= 36 years; SD= 11.33). Confirmatory Factor Analysis supported a one-factor structure with good internal consistencies and construct related validity. The one-factor solution was also supported with a second independent data set, which showed a configural, strict measurement and structural invariance of the one-factor solution proposed. Multigroup Confirmatory Factorial Analysis showed the configural invariance, weak measurement invariance and also structural invariance of the one-factor model of Acceptance and Action Questionnaire II across both groups under study. The one-factor model have both similar meanings and the same structure, but the measurement model in clinical and nonclinical groups was not the same. Toxic influences of experiencial avoidance as a core mechanism in the development and maintenance of several clinical disorders, may explain why the AAQ-II does not operate equivalently across clinical and nonclinical groups.
Peer review: yes
URI: http://hdl.handle.net/10400.12/3311
DOI: 10.1037/t11921-000
ISSN: 1577-7057
Aparece nas colecções:UIPS - Artigos em revistas internacionais

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