Incremental validity of the AAQ-II for anxiety disorder symptomology

Experiential avoidance is conceptualized as a core psychopathological process in Acceptance and Commitment Therapy (ACT). Much of the empirical support for the theoretical conceptualization and efficacy of ACT interventions is based on operationally defining experiential avoidance as scores on the Acceptance and Action Questionnaire-II (AAQ-II; Bond et al., 2011) and its predecessor, the AAQ (Hayes et al., 2004). However, both measures have been...