title: Swedish Acceptance and Action Questionnaire (SAAQ): a psychometric evaluation.
abstract: Psychological inflexibility and experiential avoidance are equivalent (with somewhat different connotations) concepts and refer to an unwillingness to remain in contact with particular private events. This concept is most often measured by the Acceptance and Action Questionnaire (AAQ-II) and is strongly related to psychopathology and behavioral effectiveness. In this study, the preliminary psychometric properties of the Swedish version of the AAQ-II (Swedish Acceptance and Action Questionnaire-SAAQ) are presented. The study is done in two steps. In the first step, the 10-item version of the AAQ-II is investigated through principal component analysis (n = 147). Secondly, due to problems with the component structure, the instrument is reduced to a six-item version and its validity and internal consistency are investigated (n = 154). The six-item version shows good concurrent and convergent validity as well as satisfying internal consistency (α = .85). Furthermore, the Swedish six-item version of the AAQ-II showed one strong component. Test-retest reliability was satisfactory (r = .80; n = 228). In future research, predictive and external validity would be important to investigate in order to further ensure that the SAAQ is a useful measure for clinical research. In conclusion, the SAAQ has satisfactory psychometric properties, but more data need to be gathered to further explore the possibilities for the instruments in Swedish contexts.
authors.affiliation: a Department of Clinical Neuroscience & Centre for Psychiatry Research and Education , Karolinska Institutet, Stockholm County Council , Stockholm , Sweden.|b Psychology Department , Stockholm University , Stockholm , Sweden.
authors.forename: Tobias
authors.initials: T
authors.lastname: Lundgren
authors.affiliation: a Department of Clinical Neuroscience & Centre for Psychiatry Research and Education , Karolinska Institutet, Stockholm County Council , Stockholm , Sweden.|c Department of Psychology , Uppsala University , Box 2136, SE-750 02 Uppsala , Sweden.
authors.forename: Thomas
authors.initials: T
authors.lastname: Parling
mesh_terms: D000328:Adult; D001362:Avoidance Learning; D005260:Female; D006801:Humans; D008297:Male; D025341:Principal Component Analysis; D011594:Psychometrics; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires; D013548:Sweden; D055815:Young Adult
keywords: AAQ-II; Acceptance; action; experiential avoidance; psychological flexibility