publication . Article . Other literature type . 2011

Preliminary psychometric properties of the Acceptance and Action Questionnaire-II: a revised measure of psychological inflexibility and experiential avoidance.

Steven C. Hayes; Thomas J. Waltz; Ruth A. Baer; Frank W. Bond; Nigel Guenole; Robert D. Zettle; Holly K. Orcutt; Kenneth M. Carpenter;
Open Access
  • Published: 01 Dec 2011 Journal: Behavior Therapy, volume 42, pages 676-688 (issn: 0005-7894, Copyright policy)
  • Publisher: Elsevier BV
Abstract
The present research describes the development and psychometric evaluation of a second version of the Acceptance and Action Questionnaire (AAQ-II), which assesses the construct referred to as, variously, acceptance, experiential avoidance and psychological inflexibility. Results from 2,816 participants across six samples indicate the satisfactory structure, reliability, and validity of this measure. For example, the mean alpha coefficient is .84 (.78 - .88), and the 3- and 12-month test-retest reliability is .81 and .79, respectively. Results indicate that AAQ-II scores concurrently, longitudinally, and incrementally predict a range of outcomes, from mental heal...
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doi: 10.1016/j.beth.2011.03.007
Subjects
free text keywords: Psychometrics, Test validity, Discriminant validity, Work absence, Experiential avoidance, Mental health, Clinical psychology, Anxiety, medicine.symptom, medicine, Acceptance and commitment therapy, Psychology
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Behavior Therapy
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Other literature type . 2011
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