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Effects of Acceptance and Commitment Therapy on Impulsive Decision-Making.

Authors
  • Morrison, Kate L1, 2
  • Smith, Brooke M2
  • Ong, Clarissa W2
  • Lee, Eric B2
  • Friedel, Jonathan E2
  • Odum, Amy2
  • Madden, Gregory J2
  • Ledermann, Thomas2
  • Rung, Jillian2
  • Twohig, Michael P2
  • 1 Utah Center for Evidence Based Treatment, Salt Lake City, UT, USA.
  • 2 Utah State University, Logan, USA.
Type
Published Article
Journal
Behavior modification
Publication Date
Jul 01, 2020
Volume
44
Issue
4
Pages
600–623
Identifiers
DOI: 10.1177/0145445519833041
PMID: 30854874
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This study examined the transdiagnostic effect of acceptance and commitment therapy (ACT) on impulsive decision-making in a community sample. A total of 40 adults were randomized to eight individual sessions of ACT or an inactive control. Participants completed pre-, mid-, and post-assessments for psychological symptoms; overall behavior change; valued living; delay discounting; psychological flexibility; and distress tolerance. Data were analyzed with multilevel modeling of growth curves. Significant interaction effects of time and condition were observed for psychological flexibility, distress tolerance, psychological symptoms, and the obstruction subscale of valued living. No significant interaction effect was found for two delay discounting tasks nor the progress subscale of valued living. The ACT condition had a significantly larger reduction of problem behavior at post-assessment. The results support use of ACT as a transdiagnostic treatment for impulsive behaviors. The lack of change in delay discounting contrasts previous research.

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