Education Commons^™

The Acceptance And Action Questionnaire – Ii: An Item Response Theory Analysis, Clarissa W. Ong, Benjamin G. Pierce, Douglas W. Woods, Michael P. Twohig, Michael E. Levin

Psychology Faculty Publications

Psychological flexibility is the act of being open to internal experiences while pursuing valued life directions and has been implicated in positive mental health. A lack of psychological flexibility has been implicated in a wide range of mental health problems. In most research, assessment of psychological (in)flexibility has been done with the Acceptance and Action Questionnaire – II (AAQ-II), yet researchers have noted that items on the AAQ-II may not adequately discriminate between responses to experiences and the experiences themselves. Furthermore, little research has examined whether items on the AAQ-II function as intended in terms of assessing psychological (in)flexibility, and …