Comparing the effectiveness of acceptance and commitment therapy and mindfulness-based cognitive therapy on psychological flexibility in patients with major thalassemia

Houshmand Farzaneh, Shiva; Zarbakhsh Bahri, Mohammadreza

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year 15, Issue 3 (3rd Spring 2026 2026) Rooyesh 2026, 15(3): 257-266 | Back to browse issues page

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Houshmand Farzaneh S, Zarbakhsh Bahri M. (2026). Comparing the effectiveness of acceptance and commitment therapy and mindfulness-based cognitive therapy on psychological flexibility in patients with major thalassemia. Rooyesh. 15(3), 257-266.
URL: http://frooyesh.ir/article-1-7026-en.html

Comparing the effectiveness of acceptance and commitment therapy and mindfulness-based cognitive therapy on psychological flexibility in patients with major thalassemia

Shiva Houshmand Farzaneh¹

, Mohammadreza Zarbakhsh Bahri ^*²

1- Department of Psychology, To.C., Islamic Azad University, Tonekabon, Iran.
2- Department of Psychology, To.C., Islamic Azad University, Tonekabon, Iran. M.zarbakhsh@iau.ac.ir , M.zarbakhsh@iau.ac.ir

Abstract: (76 Views)

This study aimed to compare the effectiveness of acceptance and commitment therapy (ACT) and mindfulness-based cognitive therapy (MBCT) on psychological flexibility in individuals with major thalassemia. The research method was a quasi-experimental design with a pretest-posttest design and a control group with a three-month follow-up period. The statistical population of the study included patients diagnosed with major thalassemia who had been referred to Shahid Rajaee Hospital in Tonekabon in 2024 for follow-up treatment. The sample size consisted of 45 people who were selected by convenience sampling and randomly assigned to three groups of 15. The research instruments included the Acceptance and Action Questionnaire-Second Edition by Bond et al. (2007). The ACT and MBCT group received 8 sessions of intervention 2. Data were analyzed using repeated measures analysis of variance. The findings showed that in the two intervention groups, ACT and MBCT, the scores from pre-test to post-test and follow-up of psychological flexibility significantly increased compared to the control group (P<0.05); the findings also showed that there was a significant difference between the two intervention groups at the follow-up stage (P<0.05). It can be concluded that ACT was more effective than MBCT in increasing psychological flexibility among patients with major thalassemia.

Keywords: Acceptance and Commitment Therapy, Mindfulness-Based Cognitive Therapy, Psychological Flexibility, Major Thalassemia.

Full-Text [PDF 701 kb] (39 Downloads)

Type of Article: Research | Subject: Health
Received: 2026/04/6 | Accepted: 2026/05/9 | ePublished: 2026/05/30