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Journal of Psychopathology and Behavioral Assessment

Gepubliceerd in:

01-12-2013

Italian Version of the Acceptance and Action Questionnaire-II (AAQ-II): Dimensionality, Reliability, Convergent and Criterion Validity

Auteurs: Tiziana Pennato, Carmen Berrocal, Olivia Bernini, Teresa Rivas

Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment | Uitgave 4/2013

Abstract

This study focused on the validation of the Italian version of the Acceptance and Action Questionnaire-II (AAQ-II, Bond et al. Behavior Therapy 42:676–688, 2011). This measure was developed to address the need for an improved measure of psychological inflexibility. The participants were 255 adults (77 males and 178 females, mean age of 31.9 years, SD = 13.7) from the general population. The results of Principal Axis Factor analyses supported a unidimensional structure of AAQ-II scores. The one-factor solution accounted for 42 % of the variance. Internal consistency was high (.83), and test-retest reliability over a 12-month period was modest (.61). Higher AAQ-II scores significantly related to anxiety and depression, and to lower psychological well-being, supporting the concurrent validity of the scale. Correlations with measures of conceptually related constructs also supported the convergent validity of the scale. Furthermore, psychological inflexibility significantly predicted important outcome measures beyond conceptually related constructs. The results of this study suggest that the Italian version of the AAQ-II is a reliable and valid measure of psychological inflexibility, and that the 7-item version of the scale features improved psychometric properties over previous versions of the questionnaire.

vorige artikel Rumination and Anxiety Sensitivity in Preadolescent Girls: Independent, Combined, and Specific Associations with Depressive and Anxiety Symptoms

volgende artikel Psychometric Analysis of the Behavior Problems Inventory Using an Item-Response Theory Framework: A Sample of Individuals with Intellectual Disabilities

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Titel: Italian Version of the Acceptance and Action Questionnaire-II (AAQ-II): Dimensionality, Reliability, Convergent and Criterion Validity
Auteurs: Tiziana Pennato
Carmen Berrocal
Olivia Bernini
Teresa Rivas
Publicatiedatum: 01-12-2013
Uitgeverij: Springer US
Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment / Uitgave 4/2013
Print ISSN: 0882-2689
Elektronisch ISSN: 1573-3505
DOI: https://doi.org/10.1007/s10862-013-9355-4

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