KMAN Publication Inc. (KMANPUB) Applied Family Therapy Journal (AFTJ) 3041-8798 5 Serial Number 22 2024 05 14 The Effectiveness of Acceptance and Commitment-Based Group Therapy on Hope and Happiness in Women with Breast Cancer The Effectiveness of Acceptance and Commitment-Based Group Therapy on Hope and Happiness in Women with Breast Cancer 133 140 10.61838/kman.aftj.5.3.14 EN Journal Article <table> <tbody> <tr> <td> <p><strong>Objective:</strong> This study aimed to examine the effectiveness of acceptance and commitment-based group therapy on hope and happiness in women diagnosed with breast cancer.</p> <p><strong>Methods: </strong>The research was applied and experimental in nature. The design was a quasi-experimental pretest-posttest with a control group. The population consisted of all women diagnosed with breast cancer in Borujerd city, from which 30 participants were selected through non-random convenient sampling using Snyder's Hope Scale (1991) and the Oxford Happiness Questionnaire (1990) based on inclusion and exclusion criteria, and were randomly assigned to two groups: the experimental group receiving acceptance and commitment therapy (each group consisting of 15 members) and the control group. The experimental group underwent eight 90-minute sessions of acceptance and commitment therapy, as described by Hayes et al. (2006), once a week, while the control group received no intervention. After the training period, the questionnaires were administered again in both groups at the post-test stage. Data analysis in this study was performed using analysis of covariance.</p> <p><strong>Findings: </strong>The results showed that acceptance and commitment-based group therapy significantly improved hope (F = 62.66, p = 0.001) and happiness (F = 43.81, p = 0.001) in women with breast cancer.</p> <p><strong>Conclusion: </strong>Based on the findings of this research, it can be concluded that acceptance and commitment-based group therapy enhances hope and happiness in women with breast cancer; therefore, it can be used as an effective intervention method to foster and increase hope and happiness in these women.</p> </td> </tr> </tbody> </table> https://journals.kmanpub.com/index.php/aftj/article/download/2493/3408