Measures We Developed

Acceptance and Action Questionnaire – Trichotillomania (AAQ-TTM): This version of the AAQ (named AAQ-TTM) asses psychological flexibility around urges to hair pull. It is worth noting that there is an older version of this measure that was in the Woods and Twohig (2008) book that has other wording. This is the cleaned-up version that was validated in Houghton et al. (2014).
 
Houghton, D. C., Compton, S. N., Twohig, M. P., Saunders, S. M., Franklin, M. E., Neal-Barnett, A. M., ... & Woods, D. W. (2014). Measuring the role of psychological inflexibility in trichotillomania. Psychiatry research, 220(1-2), 356-361.
The Acceptance and Action Questionnaire for University Students (AAQ-US): This is a 12-item measure of psychological inflexibility for university students, with an emphasis on academic contexts.

For more information please see: Levin, M.E., Krafft, J., Pistorello, J. & Seeley, J.R. (In Press). Assessing psychological inflexibility in university students: Development and validation of the acceptance and action questionnaire for university students (AAQ-US). Journal of Contextual Behavioral Science.
Acceptance and Action Questionnaire—Managing Child Hearing Loss (AAQ-MCHL): This is an 8-item measure that is designed to assess psychological inflexibility in the context of parenting a child with hearing loss.

Ong, C. W., J. J. Whicker, K. Muñoz, and M. P. Twohig. 2019. Measuring Psychological Inflexibility in Adult and Child Hearing Loss. International Journal of Audiology 58 (10): 643–650.
Acceptance and Action Questionnaire – Adult Hearing Loss (AAQ-AHL): This is a 12-item measure that is designed to assess psychological inflexibility in relation to hearing loss for adults.

Ong, C. W., J. J. Whicker, K. Muñoz, and M. P. Twohig. 2019. Measuring Psychological Inflexibility in Adult and Child Hearing Loss. International Journal of Audiology 58 (10): 643–650.
Parental Acceptance Questionnaire (6-PAQ): This is an 18-item measure assessing psychological flexibility among parents.

For more information please see: Greene, R. L., Field, C. E., Fargo, J. D., & Twohig, M. P. (2015). Development and validation of the parental acceptance questionnaire (6-PAQ). Journal of Contextual Behavioral Science, 4(3), 170-175.
The Acceptance and Action Questionnaire for Hoarding (AAQH): This is a 14-item measure of hoarding-related psychological inflexibility, which includes subscales for inflexibility related to saving and to acquiring.

For more information please see: Krafft, J., Ong, C. W., Twohig, M. P., & Levin, M. E. (2019). Assessing psychological inflexibility in hoarding: The Acceptance and Action Questionnaire for Hoarding (AAQH). Journal of Contextual Behavioral Science.
The Acceptance and Action Questionnaire - Stigma (AAQ-S): This is a 21-item measure of psychological flexibility and inflexibility with stigmatizing thoughts.

For more information please see: Levin, M.E., Luoma, J.B., Lillis, J., Hayes, S.C. & Vilardaga, R. (2014). The acceptance and action questionnaire-stigma (AAQ-S): Developing a measure of psychological flexibility with stigmatizing thoughts. Journal of Contextual Behavioral Science, 3, 21-26.
The Tacting of Function Scale (TOF): This 10-item measure assesses the psychological process of tacting the function of one's behavior, more specifically in terms of being able to label when one's behavior is in the service of moving towards what is important (valued action) or moving away from unwanted thoughts and feelings (experiential avoidance).

For more information please see: Pierce, B., & Levin, M. E. (in press). Preliminary validation and reliability assessment of a 10-item tacting of function scale. Journal of Contextual Behavioral Science.
ACT Treatment Adherence: This is a coding template used for evaluating consistency of therapist statements with ACT principles and processes. Instructions for coding are included in the spreadsheet.

This coding template has been used in the following clinical trials:
  • Crosby, J. M., & Twohig, M. P. (2016). Acceptance and Commitment Therapy for Problematic Internet Pornography Use: A Randomized Trial. Behavior Therapy, 47, 355-366.
  • Twohig, M. P., Hayes, S. C., Plumb, J. C., Pruitt, L. D., Collins, A. B., Hazlett-Stevens, H., & Woidneck, M. R. (2010). A randomized clinical trial of acceptance and commitment therapy versus progressive relaxation training for obsessive-compulsive disorder. Journal of Consulting and Clinical Psychology, 78(5), 705-716.
AEBT Treatment Adherence: This is an extension of the ACT Treatment Adherence coding template. It includes columns for habit reversal training components and can be used to score treatment adherence for AEBT sessions. Definitions of each therapy process and the coding template with instructions are available for download.
This coding template has been used in the following clinical trials:
  • Lee, E. B., Homan, K. J., Morrison, K. L., Ong, C. W., Levin, M. E., & Twohig, M. P. (2018). Acceptance and commitment therapy for trichotillomania: A randomized controlled trial of adults and adolescents. Behavior Modification.
The Emotional Judgment Implicit Relational Assessment Procedure (EJ-IRAP): This is an implicit measure of good/bad judgments of emotions delivered through the IRAP.

For more information please see: Levin, M.E., Haeger, J. & Smith, G. (In Press). Examining the role of implicit emotional judgments in social anxiety and experiential avoidance. Journal of Psychopathology & Behavioral Assessment.
Mixed Trial-Implicit Relational Assessment Procedure (MT-IRAP): This is a modified version of the IRAP designed to address various potential methodological limitations with this method, particularly those relevant to assessing individual stimulus and participant effects.

For more information please see: Levin, M.E., Hayes, S.C. & Waltz, T. (2010). Creating an implicit measure of cognition more suited to applied research: A test of the Mixed Trial – Implicit Relational Assessment Procedure (MT-IRAP). International Journal of Behavioral Consultation and Therapy, 6, 245-262.