Below is a partial list of studies with mediational data.
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Meta-analysis or reviews of ACT mediational studies or summaries of psychological flexibility as a mediator:
Murillo, C., Vo, T., Vansteelandt, S., Harrison, L. E., Cagnie, B. N., Coppieters, I., Chys, M., Timmers, I., & Meeus, M. (2022). How do psychologically based interventions for chronic musculoskeletal pain work? A systematic review and meta-analysis of specific moderators and mediators of treatment. Clinical Psychology Review, 94, 102160. DOI: 10.1016/j.cpr.2022.102160.
Hayes, S. C., Ciarrochi, J., Hofmann, S. G., Chin, F., & Sahdra, B. (2022). Evolving an idionomic approach to processes of change: Towards a unified personalized science of human improvement. Behaviour Research and Therapy, 156, 104155. DOI: 10.1016/j.brat.2022.104155
Johannsen, M., Nissen, E. R., Lundorff, M., & O'Toole, M. S. (2022). Mediators of acceptance and mindfulness-based therapies for anxiety and depression: A systematic review and meta-analysis. Clinical Psychology Review, 94, 102156. DOI: 10.1016/j.cpr.2022.102156
Stockton, D., Kellett, S., Berrios, R., Sirois, F., Wilkinson, N., & Miles, G. (2019). Identifying the Underlying Mechanisms of Change During Acceptance and Commitment Therapy (ACT): A Systematic Review of Contemporary Mediation Studies. Behavioural and Cognitive Psychotherapy, 47(3), 332-362. DOI: 10.1017/S1352465818000553
Ren, Z., Zhao, C., Bian, C., Zhu, W., Jiang, G., & Zhu, Z. (2019). Mechanisms of Acceptance and Commitment Therapy: A meta-analytic structural equation model. Acta Psychologica Sinica, 51(6), 662-676. DOI: 10.3724/SP.J.1041.2019.00662 Full text available on the ACBS website.
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MEDIATIONAL STUDIES
Cao, Q., Du, X., Ruiz, F. J., Yu, X., & Ren, Z. (2025). Efficacy of applet-based acceptance and commitment therapy focused on repetitive negative thinking for adults with comorbid anxiety and depression: A randomized controlled trial with mediation analysis. General Hospital Psychiatry, 97, 56-63. DOI:10.1016/j.genhosppsych.2025.09.006
Hontoy, L. M., Joussemet, M., Robichaud, J. M., Mageau, G. A., & Grégoire, S. (2025). Effects of an ACT-Based intervention on University students' self-compassion and psychological well-being. Journal of Contextual Behavioral Science, 37, 100927. DOI:10.1016/j.jcbs.2025.100927
Klimczak, K. S., Twohig, M. P., Peacock, G. G., & Levin, M. E. (2025). Mechanisms of change in peer coaching for digital ACT: A serial mediation model on program adherence and psychological flexibility's role in reducing distress. Journal of Contextual Behavioral Science, 37, 100922. DOI: 10.1016/j.jcbs.2025.100922
Aasdahl, L., Nilsen, T. I. L., Mork, P. J., Fimland, M. S., & Skarpsno, E. S. (2024). Inpatient multimodal rehabilitation and the role of pain intensity and mental distress on return-to-work: causal mediation analyses of a randomized controlled trial. Journal of Rehabilitation Medicine, 56, jrm18385. DOI: 10.2340/jrm.v56.18385
Jeong, N., Kim, E., & Chun, J. (2024). Effects of a randomized controlled trial of mobile app-based Acceptance and Commitment Therapy on depressive symptoms and process variables in college students - Focusing on the mediating effects of acceptance and cognitive defusion. Journal of Contextual Behavioral Science, 34, 100842. DOI: 10.1016/j.jcbs.2024.100842
Li, H., Wong, C.L., Jin, X., Chong, Y.Y., & Ng, M.S.N. (2024). Effects of acceptance and commitment therapy-based intervention on fatigue interference and health-related quality of life in patients with advanced lung cancer: A randomised controlled trial. Journal of Contextual Behavioral Science, 32, 100758. DOI: 10.1016/j.jcbs.2024.100758
Muñoz González-Deleito, C., McCracken, L. M., & Tyrberg, M. J. (2024). Ultra-brief acceptance & commitment therapy for inpatients with psychosis – a single-case experimental design investigating processes of change. Cognitive Behaviour Therapy, 53(3), 267–285. DOI: 10.1080/16506073.2023.2300369
Schachter, J., Ajayi, A.A., & Delgado, J. E. (2024). Evaluating the core processes of a hybrid trauma-informed acceptance and commitment therapy intervention for college students. Journal of Contextual Behavioral Science, 34, 100852. DOI: 10.1016/j.jcbs.2024.100852
Fang, S., Ding, D., Zhang, R. & Huang, M. (2023). Psychological mechanism of acceptance and commitment therapy and rational emotive behavior therapy for treating hoarding: Evidence from randomized controlled trials. Frontiers in Public Health, 11, 1084467. DOI: 10.3389/fpubh.2023.1084467
Hoffmann Frydendal, D., Rask, C. U., Jensen, J. S., Kaare Bro Wellnitz, K. B., & Frostholm, L. (2023). Mindful non-reactivity and psychological flexibility mediate the effect of internet-delivered acceptance and commitment therapy for health anxiety. Journal of Contextual Behavioral Science, 28, 71-78. DOI: 10.1016/j.jcbs.2023.03.011
Ong, C.W., Woods, D.W., Franklin, M.E., Saunders, S.M., Neal-Barnett, A.M., Compton, S.N., & Twohig, M.P. (2023). The role of psychological flexibility in acceptance-enhanced behavior therapy for trichotillomania: Moderation and mediation findings. Behaviour Research and Therapy, 164, 104302. DOI: 10.1016/j.brat.2023.104302
Krafft, J., Petersen, J.M., Ong, C.W., Twohig, M.P., & Levin, M.E. (2023). Processes of change in online acceptance and commitment therapy for hoarding. Journal of Contextual Behavioral Science, 28, 198-206. DOI: 10.1016/j.jcbs.2023.04.001
Lakin, D. P., Cooper, S. E., Andersen, L., Brown, F. L., Augustinavicius, J. L. S., Carswell, K., Leku, M., Adaku, A., Au, T., Bryant, R., Garcia-Moreno, C., White, R. G., & Tol, W. A. (2023). Psychological flexibility in South Sudanese female refugees in Uganda as a mechanism for change within a guided self-help intervention. Journal of Consulting and Clinical Psychology, 91(1), 6–13. DOI: 10.1037/ccp0000774
Petersen, J.M., Capel, L.K., Levin, M.E., & Twohig, M.P. (2022). Moderators and processes of change in a pilot randomized controlled trial of acceptance-enhanced behavior therapy for trichotillomania in adolescents. Journal of Obsessive-Compulsive and Related Disorders, 35, 100757. DOI: 10.1016/j.jocrd.2022.100757
Fishbein, J.N., Judd, C.M., Genung, S., Stanton, A.L., & Arch, J.J. (2022). Intervention and mediation effects of target processes in a randomized controlled trial of Acceptance and Commitment Therapy for anxious cancer survivors in community oncology clinics. Behaviour Research and Therapy, 153, 104103. DOI: 10.1016/j.brat.2022.104103
Küchler, A. M., Kählke, F., Vollbrecht, D., Peip, K., Ebert, D. D., & Baumeister, H. (2022). Effectiveness, acceptability, and mechanisms of change of the internet-based intervention StudiCare Mindfulness for college students: A randomized controlled trial. Mindfulness, 13, 2140–2154. DOI: 10.1007/s12671-022-01949-w
Sairanen, E., Lappalainen, R., Lappalainen, P. & Hiltunen, A.. (2022). Effects of an Online Acceptance and Commitment Therapy Intervention on Children’s Quality of Life. Journal of Child and Family Studies, 31, 1079–1093. DOI: 10.1007/s10826-022-02234-z
Bricker, J.B., Levin, M., Lappalainen, R., Mull, K., Sullivan, B., Santiago-Torres, M. (2021). Mechanisms of Smartphone Apps for Cigarette Smoking Cessation: Results of a Serial Mediation Model From the iCanQuit Randomized Trial. JMIR Mhealth Uhealth, 9(11), e32847. DOI: 10.2196/32847
A-Tjak, J.G.L., Morina, N., Topper, M. et al. (2021). One year follow-up and mediation in cognitive behavioral therapy and acceptance and commitment therapy for adult depression. BMC Psychiatry, 21, 41. DOI: 10.1186/s12888-020-03020-1
Levin, M.E., Krafft, J., An, W., Ong, C.W., Twohig, M.P. (2021). Preliminary findings on processes of change and moderators for cognitive defusion and restructuring delivered through mobile apps. Journal of Contextual Behavioral Science, 20, 13-19. DOI: 10.1016/j.jcbs.2021.02.002
Morin, L., Grégoire, S., & Lachance, L. (2021). Processes of change within acceptance and commitment therapy for university students: Preliminary evidence from a randomized controlled trial. Journal of American College Health, 69(6), 592-601. DOI: 10.1080/07448481.2019.1705828
Levin, M.E., Krafft, J., & Twohig, M.P. (2020). Examining processes of change in an online acceptance and commitment therapy dismantling trial with distressed college students. Journal of Contextual Behavioral Science, 17, 10-16. DOI: 10.1016/j.jcbs.2020.05.001
Østergaard, T., Lundgren, T., Zettle, R.D., Landrø, N.I. & Haaland, V.Ø. (2020). Psychological Flexibility in Depression Relapse Prevention: Processes of Change and Positive Mental Health in Group-Based ACT for Residual Symptoms. Frontiers in Psychology, 11, 528. DOI: 10.3389/fpsyg.2020.00528
Räsänen, P., Muotka, J., & Lappalainen, R. (2020). Examining mediators of change in wellbeing, stress, and depression in a blended, Internet-based, ACT intervention for university students. Internet Interventions, 22, 100343. DOI: 10.1016/j.invent.2020.100343
Ritzert, T. R., Berghoff, C. R., Tifft, E. D., & Forsyth, J. P. (2020). Evaluating ACT Processes in Relation to Outcome in Self-Help Treatment for Anxiety-Related Problems. Behavior Modification, 44(6), 865-890. DOI: 10.1177/0145445519855616
Sairanen, E., Lappalainen, E., Lappalainen, P., & Hiltunen, A. (2020). Mediators of change in online acceptance and commitment therapy for psychological symptoms of parents of children with chronic conditions: An investigation of change processes. Journal of Contextual Behavioral Science, 15, 123-130. DOI: 10.1016/j.jcbs.2019.11.010
Spidel, A., Lecomte,T., Kealy, D., & Daigneault, I. (2018). Acceptance and commitment therapy for psychosis and trauma: Improvement in psychiatric symptoms, emotion regulation, and treatment compliance following a brief group intervention. Psychology and Psychotherapy: Theory, Research, and Practice, 91, 248-261.
Lin Jiaxi; Klatt, Laura-Isabelle; McCracken, Lance M.; Baumeister, Harald (2018). Psychological flexibility mediates the effect of an online-based acceptance and commitment therapy for chronic pain: an investigation of change processes. Pain, 159(4), 663-672. DOI: 10.1097/j.pain.0000000000001134
Simister, H. D., Tkachuk, G. A., Shay, B. L., Vincent, N., Pear, J. J., & Skrabek, R. Q. (2018). Randomized controlled trial of online acceptance and commitment therapy for fibromyalgia. The Journal of Pain, 19(7), 741-753. DOI: 10.1016/j.jpain.2018.02.004
Eilenberg, T., Hoffmann, D., Jensen, J. S., & Frostholm, L. (2017). Intervening variables in group-based acceptance & commitment therapy for severe health anxiety. Behaviour research and therapy, 92, 24–31. DOI: 10.1016/j.brat.2017.01.009
Gloster, A. T., Klotsche, J., Ciarrochi, J., Eifert, G., Sonntag, R., Wittchen, H.U., et al. (2017). Increasing valued behaviors precedes reduction in suffering: Findings from a randomized controlled trial using ACT. Behaviour Research and Therapy, 91, 64-71. DOI: 10.1016/j.brat.2017.01.013
Sairanen, E., Tolvanen, A., Karhunen, L., Kolehmainen, M., Järvelä-Reijonen, E., Lindroos, S., … Lappalainen, R. (2017). Psychological flexibility mediates change in intuitive eating regulation in acceptance and commitment therapy interventions. Public Health Nutrition, 20(9), 1681–1691. DOI: 10.1017/S1368980017000441
Pots, W.T.M., Trompetter, H.R., Schreurs, K.M.G. et al. (2016). How and for whom does web-based acceptance and commitment therapy work? Mediation and moderation analyses of web-based ACT for depressive symptoms. BMC Psychiatry,16, 158. DOI: 10.1186/s12888-016-0841-6
Thorsell Cederberg, J., Cernvall, M., Dahl, J., von Essen, L., & Ljungman, G. (2016). Acceptance as a mediator for change in acceptance and commitment therapy for persons with chronic pain? International Journal of Behavioral Medicine, 23, 21-29. DOI: 10.1007/s12529-015-9494-y
Hayes-Skelton, S. A., Calloway, A., Roemer, L., & Orsillo, S. M. (2015). Decentering as a potential common mechanism across two therapies for generalized anxiety disorder. Journal of Consulting and Clinical Psychology, 83, 395-404.
Twohig, M. P., Plumb Vilardaga, J. C., Levin, M. E., & Hayes, S. C. (2015). Changes in psychological flexibility during acceptance and commitment therapy for obsessive compulsive disorder. Journal of Contextual Behavioral Science, 4(3), 196-202. DOI: 10.1016/j.jcbs.2015.07.001
Zarling, A., Lawrence, E., & Marchman, J. (2015). A randomized controlled trial of acceptance and commitment therapy for aggressive behavior. Journal of Consulting and Clinical Psychology, 83, 199-212.
Clarke, S., Kingston, J., James, K., Bolderston, H., & Remington, B. (2014). Acceptance and commitment therapy group for treatment-resistant participants: A randomized controlled trial. Journal of Contextual Behavioral Science, 3, 179-188.
Craske et al. (2014). Randomized controlled trial of cognitive behavioral therapy and acceptance and commitment therapy for social phobia: Outcomes and moderators. Journal of Consulting and Clinical Psychology, 82, 1034-1048. & Niles et al. (2014). Cognitive mediators of treatment fo social anxiety disorder: Comparing acceptance and commitment therapy and cognitive-behavioral therapy. Behavior Therapy, 45, 664-677.
Hawkes, A. L., Pakenham, K. I., Chambers, S. K., Patrao, T. A., & Courneya, K. S. (2014). Effects of a multiple health behavior change intervention for colorectal cancer survivors on psychosocial outcomes and quality of life: a randomized controlled trial. Annals of Behavioral Medicine, 48(3), 359-370.
Hesser, H., Westin, V. Z., Andersson (2014). Acceptance as a mediator in internet-delivered acceptance and commitment therapy and cognitive behavior therapy for tinnitus. J Behav Med, 37, 756-767. DOI: 10.1007/s10865-013-9525-6
Luciano et al. (2014). Effectiveness of group acceptance and comitment therapy for fibromyalgia: A 6-month randomized controlled trial (EFFIGACT study). Pain, 155, 693-702.
Niles, A. N., Burklund, L. J., Arch, J. J., Lieberman, M. D., Saxbe, D., & Craske M. G. (2014). Cognitive mediators of treatment for social anxiety disorder: Comparing acceptance and commitment therapy and cognitive-behavioral therapy. Behavior Therapy, 45, 664-677. DOI: 10.1016/j.beth.2014.04.006
Vowles, K.E., Witkiewitz, K., Sowden, G., & Ashworth, J. (2014). Acceptance and Commitment Therapy for Chronic Pain: Evidence of Mediation and Clinically Significant Change Following an Abbreviated Interdisciplinary Program of Rehabilitation. The Journal of Pain, 15(1), 101-113. DOI: 10.1016/j.jpain.2013.10.002
Bach, P., Gaudiano, B.A., Hayes, S.C. & Herbert, J.D. (2013) Acceptance and commitment therapy for psychosis: intent to treat, hospitalization outcome and mediation by believability. Psychosis, 5(2), 166-174. DOI: 10.1080/17522439.2012.671349
Bricker, J., Wyszynski, C., Comstock, B., & Heffner, J. L. (2013). Pilot randomized controlled trial of web-based acceptance and commitment therapy for smoking cessation. Nicotine & Tobacco Research, 15, 1756-1764.
Forman, E. M., Butryn, M. L., Juarascio, A. S., Bradley, L. E., Lowe, M. R., Herbert, J. D., & Shaw, J. A. (2013). The mind your health project: A randomized controlled trial of an innovative behavioral treatment for obesity. Obesity, 21, 1119-1126.
Hawkes, A. L., Chambers, S. K., Pakenham, K. I., Patrao, T. A., Baade, P. D., Lynch, B. M., ... & Courneya, K. S. (2013). Effects of a telephone-delivered multiple health behavior change intervention (CanChange) on health and behavioral outcomes in survivors of colorectal cancer: a randomized controlled trial. Journal of Clinical Oncology, 31(18), 2313-2321.
Luoma, J. B., & Vilardaga, J. P. (2013). Improving therapist psychological flexibility while training acceptance and commitment therapy: a pilot study. Cognitive behaviour therapy, 42(1), 1-8.
Lloyd, J., Bond, F. W., & Flaxman, P. E. (2013). The value of psychological flexibility: Examining psychological mechanisms underpinning a cognitive behavioural therapy intervention for burnout. Work & Stress, 27(2), 181-199.
Juarascio, A., Shaw, J., Forman, E., Timko, C. A., Herbert, J., Butryn, M., Bunnell, D., Matteucci, A., & Lowe, M. (2013). Acceptance and Commitment Therapy as a Novel Treatment for Eating Disorders: An Initial Test of Efficacy and Mediation. Behavior Modification, 37(4), 459–489.
Hawkes, A. L., Chambers, S. K., Pakenham, K. I., Patrao, T. A., Baade, P. D., Lynch, B. M., ... & Courneya, K. S. (2013). Effects of a telephone-delivered multiple health behavior change intervention (CanChange) on health and behavioral outcomes in survivors of colorectal cancer: a randomized controlled trial. Journal of Clinical Oncology, 31(18), 2313-2321.
Hayes-Skelton, S. A., Roemer, L., & Orsillo, S. M. (2013). A randomized clinical trial comparing an acceptance based behavior therapy to applied relaxation for generalized anxiety disorder. J Consult Clin Psychol., 81, 761-773.
Wicksell, R. K., Kemani, M., Jensen, K., Kosek, E., Kadetoff, D., Sorjonen, K., ... & Olsson, G. L. (2013). Acceptance and commitment therapy for fibromyalgia: a randomized controlled trial. European journal of pain, 17(4), 599-611.
Forman, E. M., Chapman, J. E., Herbert, J. D., Goetter, E. M., Yuen, E. K., & Moitra, E. (2012). Using Session-by-Session Measurement to Compare Mechanisms of Action for Acceptance and Commitment Therapy and Cognitive Therapy. Behavior Therapy, 43(2), 341-354.
Arch, J. J., Eifert, G. H., Davies, C., Vilardaga, J. C. P., Rose, R. D., & Craske, M. G. (2012). Randomized clinical trial of cognitive behavioral therapy (CBT) versus acceptance and commitment therapy (ACT) for mixed anxiety disorders. Journal of consulting and clinical psychology, 80(5), 750.
Arch, J. J., Wolitzky-Taylor, K. B., Eifert, G. H., & Craske, M. G. (2012). Longitudinal treatment mediation of traditional cognitive behavioral therapy and acceptance and commitment therapy for anxiety disorders. Behaviour Research and Therapy, 50(7–8), 469-478. DOI: 10.1016/j.brat.2012.04.007
Fledderus, M., Bohlmeijer, E. T., Fox, J. P., Schreurs, K. M. G., Spinhoven, P. (2012). The role of psychological flexibility in a self-help acceptance and commitment therapy intervention for psychological distress in a randomized controlled trial. Behaviour Research and Therapy, 51, 142-151.
Hesser et al. (2012). A randomized controlled trial of internet-delivered cognitive behavior therapy and acceptance and commitment therapy in the treatment of tinnitus. Journal of Consulting and Clinical Psychology, 80, 649-661.
Jeffcoat, T., & Hayes, S. C. (2012). A randomized trial of ACT bibliotherapy on the mental health of K-12 teachers and staff. Behaviour research and therapy, 50(9), 571-579.
Jensen et al. (2012). Cognitive behavioral therapy increases pain-evoked activation of the prefrontal cortex in patients with fibromyalgeia. Pain, 153, 1495-1503.
Luoma, J. B., Kohlenberg, B. S., Hayes, S. C., & Fletcher, L. (2012). Slow and steady wins the race: a randomized clinical trial of acceptance and commitment therapy targeting shame in substance use disorders. Journal of consulting and clinical psychology, 80(1), 43.
Morton, J., Snowdon, S., Gopold, M. & Guymer, E. (2012). Acceptance and commitment therapy group treatment for symptoms of borderline personality disorder: A public sector pilot study. Cognitive and Behavioral Practice, 19(4), 527–544.
Rost, A. D., Wilson, K., Buchanan, E., Hildebrandt, M. J., & Mutch, D. (2012). Improving psychological adjustment among late-stage ovarian cancer patients: examining the role of avoidance in treatment. Cognitive and Behavioral practice, 19(4), 508-517.
Weineland, S., Hayes, S. C., & Dahl, J. (2012). Psychological flexibility and the gains of acceptance‐based treatment for post‐bariatric surgery: six‐month follow‐up and a test of the underlying model. Clinical obesity, 2(1‐2), 15-24.
Gifford, E. V., Kohlenberg, B. S., Hayes, S. C., Pierson, H. M., Piasecki, M. P., Antonuccio, D. O., & Palm, K. M. (2011). Does acceptance and relationship focused behavior therapy contribute to bupropion outcomes? A randomized controlled trial of functional analytic psychotherapy and acceptance and commitment therapy for smoking cessation. Behavior therapy, 42(4), 700-715.
Lillis, J., Hayes, S. C., & Levin, M. E. (2011). Binge eating and weight control: The role of experiential avoidance. Behavior modification, 35(3), 252-264.
Muto, T., Hayes, S. C., & Jeffcoat, T. (2011). The effectiveness of acceptance and commitment therapy bibliotherapy for enhancing the psychological health of Japanese college students living abroad. Behavior Therapy, 42(2), 323-335.
Thorsell et al. (2011). A comparative study of 2 manual-based self-help interventions, acceptance and commitment therapy and applied relaxation, for persons with chronic pain. Clin J Pain, 27, 716-723.
Weinland, S., Arvidsson, D., Kakoulidis, T., P., & Dahl, J. (2011). Acceptance and commitment therapy for bariatric surgery patients, a pilot RCT. Obesity Research & Clinical Practice, 6, e21-e30.
Westin et al., (2011). Acceptance and Commitment Therapy versus Tinnitus Retraining Therapy in the treatment of tinnitus distress: A randomised controlled trial. Behavior Research and Therapy, 49, 737-747.
Wetherall et al. (2011). A randomized, controlled trial of acceptance and commitment therapy and cognitive-behavioral therapy for chronic pain. Pain, 152, 2098-2107.
White, R., Gumley, A., McTaggart, J., Rattrie, L., McConville, D., Cleare, S., & Mitchell, G. (2011). A feasibility study of Acceptance and Commitment Therapy for emotional dysfunction following psychosis. Behaviour research and therapy, 49(12), 901-907.
Wicksell, R. K., Olsson, G. L., & Hayes, S. C. (2011). Mediators of change in acceptance and commitment therapy for pediatric chronic pain. Pain, 152(12), 2792-2801.
Zettle, R. D., Rains, J. C., & Hayes, S. C. (2011). Processes of change in Acceptance and Commitment Therapy and Cognitive Therapy for depression: A mediation reanalysis of Zettle and Rains. Behavior Modification, 35(3), 265-283. – Originally published in: Zettle, R. D. & Rains, J. C. (1989). Group cognitive and contextual therapies in treatment of Depression. Journal of Clinical Psychology, 45, 438-445.
Flaxman, P. E., & Bond, F. W. (2010). Worksite stress management training: Moderated effects and clinical significance. Journal of Occupational Health Psychology, 15(4), 347.
Flaxman, P. E. & Bond, F. W. (2010). A randomised worksite comparison of acceptance and commitment therapy and stress inoculation training. Behaviour Research and Therapy, 48(8), 816-820.
Hayes, S. A., Orsillo, S. M., & Roemer, L. (2010). Changes in proposed mechanisms of action during an acceptance-based behavior therapy for generalized anxiety disorder. Behaviour Research and Therapy, 48(3), 238-245.
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.
Wicksell, R. K., Olsson, G. L., & Hayes, S. C. (2010). Psychological flexibility as a mediator of improvement in Acceptance and Commitment Therapy for patients with chronic pain following whiplash. European Journal of Pain, 14(10), 1059-e1.
Gifford, E. V., & Lillis, J. (2009). Avoidance and inflexibility as a common clinical pathway in obesity and smoking treatment. Journal of health psychology, 14(7), 992-996.
Lillis, J., Hayes, S. C., Bunting, K., & Masuda, A. (2009). Teaching acceptance and mindfulness to improve the lives of the obese: A preliminary test of a theoretical model. Annals of Behavioral Medicine, 37(1), 58-69.
Wicksell R. K., Melin, L., Lekander, M. & Olsson, G. L. (2009). Evaluating the effectiveness of exposure and acceptance strategies to improve functioning and quality of life in longstanding pediatric pain - A randomized controlled trial. Pain, 141, 248-257.
Lundgren, T., Dahl, J., & Hayes, S. C. (2008). Evaluation of mediators of change in the treatment of epilepsy with acceptance and commitment therapy. Journal of behavioral medicine, 31(3), 225-235.
Roemer, L., Orsillo, S. M., & Salters-Pedneault, K. (2008). Efficacy of an acceptance-based behavior therapy for generalized anxiety disorder: evaluation in a randomized controlled trial. Journal of consulting and clinical psychology, 76(6), 1083.
Varra, A. A., Hayes, S. C., Roget, N., & Fisher, G. (2008). A randomized control trial examining the effect of acceptance and commitment training on clinician willingness to use evidence-based pharmacotherapy. Journal of consulting and clinical psychology, 76(3), 449.
Wicksell, R. K., Ahlqvist, J., Bring, A., Melin, L., & Olsson, G. L. (2008). Can exposure and acceptance strategies improve functioning and life satisfaction in people with chronic pain and Whiplash‐Associated Disorders (WAD)? A randomized controlled trial. Cognitive behaviour therapy, 37(3), 169-182.
Forman, E. M., Herbert, J. D., Moitra, E., Yeomans, P. D., & Geller, P. A. (2007). A randomized controlled effectiveness trial of acceptance and commitment therapy and cognitive therapy for anxiety and depression. Behavior modification, 31(6), 772-799.
Gregg, J. A., Callaghan, G. M., Hayes, S. C., & Glenn-Lawson, J. L. (2007). Improving diabetes self-management through acceptance, mindfulness, and values: a randomized controlled trial. Journal of consulting and clinical psychology, 75(2), 336.
Roemer, L., & Orsillo, S. M. (2007). An open trial of an acceptance-based behavior therapy for generalized anxiety disorder. Behavior therapy, 38(1), 72-85.
Gaudiano, B. A., & Herbert, J. D. (2006). Acute treatment of inpatients with psychotic symptoms using Acceptance and Commitment Therapy: Pilot results. Behaviour research and therapy, 44(3), 415-437.
Gratz, K. L., & Gunderson, J. G. (2006). Preliminary data on an acceptance-based emotion regulation group intervention for deliberate self-harm among women with borderline personality disorder. Behavior therapy, 37(1), 25-35.
Lundgren, T., Dahl, J., Melin, L., & Kies, B. (2006). Evaluation of acceptance and commitment therapy for drug refractory epilepsy: a randomized controlled trial in South Africa—a pilot study. Epilepsia, 47(12), 2173-2179.
Woods, D. W., Wetterneck, C. T., & Flessner, C. A. (2006). A controlled evaluation of acceptance and commitment therapy plus habit reversal for trichotillomania. Behaviour Research and Therapy, 44, 639-656.
Gifford, E. V., Kohlenberg, B. S., Hayes, S. C., Antonuccio, D. O., Piasecki, M. M., Rasmussen-Hall, M. L., & Palm, K. M. (2004). Acceptance-based treatment for smoking cessation. Behavior therapy, 35(4), 689-705.
Hayes, S.C., Bissett, R., Roget, N., Padilla, M., Kohlenberg, B.S., Fisher, G., Masuda, A., Pistorello, J., Rye, A.K., Berry, K., & Niccolls, R. (2004). The impact of acceptance and commitment training and multicultural training on the stigmatizing attitudes and professional burnout of substance abuse counselors. Behavior Therapy, 35(4), 821-835.
Bach, P., & Hayes, S. C. (2002). The use of acceptance and commitment therapy to prevent the rehospitalization of psychotic patients: A randomized controlled trial. Journal of consulting and clinical psychology, 70(5), 1129-1138.
Bond, F. W., & Bunce, D. (2000). Mediators of change in emotion-focused and problem-focused worksite stress management interventions. Journal of occupational health psychology, 5(1), 156.