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Objective: This study aimed to evaluate the effectiveness of Acceptance and Commitment Therapy (ACT) in reducing negative affect, improving emotional processing, and enhancing psychological hardiness in women experiencing domestic violence. Methods and Materials: A randomized controlled trial was conducted with 30 participants, divided equally into intervention and control groups. The intervention group underwent eight 90-minute ACT sessions over eight weeks, while the control group received no treatment. Outcomes were assessed at pre-intervention, post-intervention, and five-month follow-up stages using validated tools for Negative Affect, Emotional Processing, and Psychological Hardiness. Data were analyzed using repeated-measures ANOVA and Bonferroni post-hoc tests, with SPSS-27. Findings: Significant improvements were observed in the intervention group across all variables. For Negative Affect, mean scores decreased from 3.52 (SD = 0.45) at pre-intervention to 2.89 (SD = 0.39) post-intervention and 2.45 (SD = 0.33) at follow-up (F(1,28) = 30.19, p = 0.001, η² = 0.52). Emotional Processing scores increased from 3.20 (SD = 0.40) to 3.80 (SD = 0.37) post-intervention and 4.25 (SD = 0.31) at follow-up (F(1,28) = 34.38, p = 0.001, η² = 0.55). Psychological Hardiness improved from 3.15 (SD = 0.38) to 3.95 (SD = 0.35) post-intervention and 4.10 (SD = 0.32) at follow-up (F(1,28) = 36.57, p = 0.001, η² = 0.58). The control group showed minimal changes across all measures. Conclusion: ACT was highly effective in reducing negative affect, improving emotional processing, and enhancing psychological hardiness in women experiencing domestic violence. The results suggest that ACT is a valuable therapeutic approach for this population, with sustained benefits over time.

Objective: The present study aimed to investigate the effectiveness of mindfulness-based cognitive therapy on internalized shame, marital disaffection, and inclination toward divorce in couples who had experienced infidelity. Methods: This research was conducted using a quasi-experimental design with pre-test and post-test and a control group. The statistical population of this study consisted of all couples who, due to experiencing infidelity by their spouses, referred to licensed counseling and psychotherapy centers of the Iranian Psychological and Counseling Organization, the State Welfare Organization, or psychiatrists licensed by the Iranian Medical Council (Anis Andisheh Clinic) in District 3 of Tehran, during the first quarter of 2024. In this study, the sample size for each of the experimental groups and the control group was 16 people (8 women and 8 men), and a total of 32 individuals were selected. According to the quasi-experimental design, they were chosen through convenience sampling from among volunteers and then randomly assigned to the experimental and control groups by lottery. Data collection instruments included the Internalized Shame Scale by Cook (1993), the Marital Disaffection Scale by Kaiser (1993), and the Inclination Toward Divorce Scale by Rusbult et al. (1986). In this study, mindfulness-based cognitive therapy consisted of eight weeks of two-hour sessions based on the mindfulness-based cognitive therapy protocol by Crane. Findings: The results of data analysis indicated that mindfulness-based cognitive therapy had an effect on internalized shame, marital disaffection, and inclination toward divorce in couples who had experienced infidelity. Conclusion: Considering the results, it can be stated that mindfulness-based cognitive therapy influences the research variables. It is suggested that further studies be conducted in this area to enhance external validity.

 Objective: Internet addiction has become a global problem due to its high incidence, rapid growth rate, and serious adverse consequences. The aim of the present study was to investigate the prevalence of Internet addiction among students of psychology, accounting, and management at Islamic Azad University, Bandar Anzali Branch.Methods: This study was a descriptive study. The statistical population of the study included all students of psychology, accounting, and management at Bandar Anzali International Azad University in the academic year 1402-1403. Of these, 150 were selected using convenience sampling. Then, the Internet Addiction Questionnaire (IAT; Yang, 2005) was administered to them, and the data were analyzed using SPSS software.Results: The obtained frequency and percentage showed that 64 (43.2%) of the subjects were regular users without dependence or addiction to the Internet. 75 (46.8%) of the subjects were exposed to Internet addiction (had Internet dependence) and 11 (6%) of the subjects had Internet addiction.Conclusion: There was a small amount of Internet addiction among students, but a high percentage of students had Internet dependence, which justifies the need to pay attention to teaching students about the optimal use of cyberspace.