Volume 71, Issue 7 pp. 625-640
Research Article

Forgiveness in the Treatment of Borderline Personality Disorder: A Quasi-Experimental Study

Steven J. Sandage

Corresponding Author

Steven J. Sandage

Boston University

Please address correspondence to: Steven J. Sandage, Albert and Jessie Danielsen Insitute, Boston University, 185 Bay State Rd, Boston, MA 02215. E-mail: [email protected]Search for more papers by this author
Beverly Long

Beverly Long

University of Minnesota Medical School

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Richelle Moen

Richelle Moen

University of Minnesota Medical School

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Peter J. Jankowski

Peter J. Jankowski

Bethel University

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Everett L. Worthington Jr.

Everett L. Worthington Jr.

Virginia Commonwealth University

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Nathaniel G. Wade

Nathaniel G. Wade

Iowa State University

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Mark S. Rye

Mark S. Rye

Skidmore College

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First published: 15 April 2015
Citations: 20

This project was supported by a grant from the Fetzer Institute (number 2512).

Abstract

Objective

This pilot study evaluated a manualized group forgiveness module within dialectical behavior therapy (DBT).

Method

The study utilized a quasi-experimental double pretest design with adults (N = 40; 88.1% female, 11.9% male) diagnosed with borderline personality disorder in outpatient DBT. Measures of forgiveness, attachment, and psychiatric symptoms were completed at 4 time points.

Results

Participants showed increases in all measures of forgiveness and decreases in attachment insecurity and psychiatric symptoms during the forgiveness module and maintained to the 6-week follow-up. These effects were not observed during the prior distress tolerance module. Latent change score modeling showed reductions in anxious attachment mediated the effect of changes in benevolent motivations to forgive and trait forgiveness scores on reductions in psychiatric symptoms.

Conclusions

Effect sizes were similar to meta-analytic findings on (a) forgiveness interventions and (b) reductions in psychiatric symptoms in DBT. Participant feedback suggested elements for further development. A randomized controlled trial is needed.

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