Psychometric properties of the acceptance and action questionnaire–II in Colombia
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Abstract
The Acceptance and Action Questionnaire-II
(AAQ-II) is a widely used measure of experiential avoidance
and psychological inflexibility, two key constructs of acceptance
and commitment therapy (ACT). The main aim of this
study was to analyze the psychometric properties and factor
structure of the Spanish version of the AAQ-II in Colombia.
A secondary aim was to analyze measurement invariance of the
AAQ-II across nonclinical and clinical samples considering
that previous research has yielded mixed results. The AAQ-II
was administered to a total of 1759 participants, including a
sample of undergraduates, one of general population, and a
clinical sample. Data were very similar to the ones obtained
in the original AAQ-II version. The internal consistency across
the different samples was good (Cronbach’s alpha between
0.88 and 0.91). The one-factor model found in the original scale
showed a good fit to the data.Measurement invariance was also
found across sample (clinical and nonclinical) and gender. The
mean score of the clinical sample on the AAQ-II was significantly
higher than the scores of the nonclinical samples. The
AAQ-II was sensitive to the effects of a one-session ACT intervention,
and AAQ-II scores were significantly related to
emotional symptoms, mindfulness, satisfaction with life, and
dysfunctional attitudes. The Spanish version of the AAQ-II
shows good psychometric properties in Colombia.
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Atribución-NoComercial-CompartirIgual 2.5 Colombia