The Acceptance and Action Questionnaire-II (AAQ-II) is a validated, widely used clinical measure of experiential avoidance and its conceptual inverse…

The Acceptance and Action Questionnaire-II (AAQ-II) is a validated, widely used clinical measure of experiential avoidance and its conceptual inverse, psychological flexibility. Grounded in the Acceptance and Commitment Therapy (ACT) model, this instrument helps clinicians capture a patient’s tendency to rigidly avoid distressing thoughts or feelings, which often maintains long-term suffering. By establishing a reliable baseline, the AAQ-II allows practitioners to track a patient’s progress toward meaningful, values-based living even in the presence of internal discomfort.
Rather than focusing on symptom frequency, this measure targets the core functional processes that drive behavioral constriction. It provides a highly reliable metric to determine whether therapeutic interventions are successfully altering the patient's relationship to their own distress, making it an essential tool for third-wave cognitive behavioral therapies.
Fictitious result, computed from a sample set of answers.
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The AAQ-II assesses how tightly a person is entangled with their internal experiences and how much this struggle restricts their daily life. Instead of measuring symptom severity, it maps the underlying processes that sustain distress.
Targeted primarily at adults, this measure is foundational for clinical work centered on moving from a rigid defense to active acceptance.
Clinicians deploy the AAQ-II to understand the functional impact of a patient's internal control strategies and to guide treatment planning.
Using a validated score offers a quantifiable metric of inflexibility that moves beyond subjective clinical impression, grounding the therapeutic process in measurable behavioral shifts.
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