| Kalkan and Ersanli, 2008, Turkey (29) | The effect of marriage enrichment program based on the cognitive behavioral approach on the marital adaptation | Quasi-experimental | N = 30; Convenience | Marital Adjustment Scale (MAS) Tutarel-Kishlak | Comparison of the mean scores in pre-test and post-test showed the effectiveness of the CBCT on increasing marital adaptation (P < 0.05). |
| Nazari et al., 2011, Iran (30) | Comparison the effectiveness of enriched CBCT and IBCT in increasing the marital satisfaction | Single case | N = 16; Convenience | Dyadic Adjustment Scale (DAS) | Comparison of the mean scores among two interventional methods showed that IBCT was more effective than CBCT. The mean score of pre-test in CBCT group was 64.25 and post-test was 98.55. Also, the mean scores of pre-test and post-test in IBCT were 60.12 and 108.1, respectively. |
| Azimi et al., 2016, Iran (31) | The effectiveness of CBCT on increasing the marital adaptation and the quality of life among couples seeking divorce | Quasi-experimental | N = 40; Convenience | DAS, World Health Organization Quality of Life Instruments (WHOQOL-BREF) | The Results of multivariate covariance analysis showed the effectiveness of the CBCT intervention on increasing the marital adaptation (P < 0.01, F = 17.297) and quality of life (P < 0.01, F = 14.537) |
| Bélanger et al., 2014, USA (32) | The effect of cognitive-behavioral group marital therapy on marital happiness and problem-solving self-appraisal | Quasi-experimental | N = 132; Purposeful | Problem-Solving Inventory (Heppner, Petersen), The Marital Happiness Scale (Azrin, Naster, Jones) | Therapy was effective in improving global couple adaptation (P < 0.0001) and problem-solving self-appraisal (P < 0.0001) |
| Shahadati and Noroozzadeh, 2015, Iran (33) | The effect CBCT on the couples' communication patterns | Quasi-experimental | N = 24; Volunteer | Communication Patterns Questionnaire (CPQ) | The results of covariance analysis showed the effect of the intervention on the components of mutual constructive communication, mutual avoidance, and expectation/withdrawal (P < 0.05). |
| Dalgleish et al., 2015, Canada (34) | Predicting change in marital satisfaction throughout EFCT | Hierarchical Linear Modeling (HLM) | N = 64; Screening | DAS, Experiences in Close Relationships—Relationship Specific (ECR-RS) | The results of the intervention showed a significant improvement in marital satisfaction among 20 couples (64.5%), no significant change in nine couples (28.1%), and decreased marital satisfaction in two couples (6.3%) (effect size: d = 81%). |
| Ziaolhagh et al., 2012, Iran (35) | The effect of emotionally focused couple therapy in marital adaptation | Quasi-experimental | N = 20; Convenience | DAS | The results showed the effectiveness of the EFCT on marital adaptation (P < 0.001). However, the results of the two-month follow-up did not confirm the durability of the therapeutic effects. |
| Javidi et al., 2013, Iran (36) | The effectiveness of EFCT to improve communication patterns in couples | Quasi-experimental | N = 60; Convenience | CPQ | The results of the covariance analysis showed a significant mean difference between the post-tests in the two groups (P < 0.05). |
| Poursardar et al., 2019, Iran (37) | The effectiveness of EFCT and IBCT on restructuring communication patterns in couples with marital conflict | The non-congruent multiple baseline experimental single case | N = 12; Convenience | DAS, CPQ | The EFCT intervention led to reconstruction of the communication patterns in the post-treatment (50.66 %) and follow-up (53.27%). Also, in IBCT, the scores were 80.38 and 41.21 in post-treatment and follow-up stages, respectively, indicating the relative superiority of the effectiveness compared to the EFCT. |
| Wiebe et al., 2017, USA (38) | Two-year follow‐up outcomes in EFCT: An investigation of relationship satisfaction and attachment trajectories | HLM | N = 64; Convenience | DAS, ECR-RS | The results showed a significant growth pattern in increasing marital satisfaction (P < 0.001) and decreasing the couple's attachment anxiety (P < 0.001). |
| Halford et al., 2007, Australia (17) | Does working at your marriage help? Couple relationship self-regulation and satisfaction in the first 4 years of marriage | Longitudinal | N = 382; Purposeful | DAS, Behavioral Self-Regulation for Effective Relationships Scale (BSRERS) | In this 5-year study, although the results showed a different coefficient of variation (P < 0.001), it was not able to predict a positive gradient as a continuum in the long term. |
| Roshan et al., 2012, Iran (39) | The effectiveness of SRCT on enhancing marital intimacy of the couples with marital problems attending counseling center | Quasi-experimental | N = 32; Convenience | DAS | The results showed the effectiveness of SRCT (P = 0.0001). The effects of SRCT on improving other components of adaptation such as understanding (P < 0.001), attraction (P = 0.034), satisfaction (P = 0.002), and emotions expressing (P = 0.048) were relatively confirmed. |
| Wilson et al., 2005, Australia (40) | Assessing how much couples work at their relationship: The behavioral self-regulation for effective relationships scale | Longitudinal | N1 = 187; N2 = 97; N3 = 61; Random | DAS, Depression Anxiety Stress Scales (DASS) | The results of factor analysis performed on three groups showed that self-regulation is an important part of the satisfaction variance in marital relationships. Also, it was a strong predictor of marital quality and marital satisfaction. |
| Okabayashi, 2020, Japan (41) | Self-regulation, marital climate, and emotional well-being among japanese older couples | HLM | N = 49; Random | Selective optimization with compensation (SOC) | The results predicted a positive relationship between couples' self-regulation with well-being, high satisfaction, and low depressive symptoms (P < 0.001). The results also showed that individuals who positively interpreted life's unfortunate events, had high satisfaction and low depression. |
| Khaleghkhah et al., 2016, Iran (42) | The effectiveness SRCT in marital satisfaction and expression of positive feelings | Quasi-experimental | N = 48; Convenience | Index of Marital Satisfaction (IMS), Positive Feeling Questionnaire (PFQ) | Covariance analysis showed the significant differences and treatment effect in the studied variables (P < 0.001). |
| Mehdinezhad Qoushchi et al., 2016, Iran (43) | Effect of common factors couple therapy paradigm on capability of couples to engage in effective dialogue | Quasi-experimental | N = 32; Convenience | Effective Dialogue Questionnaire (EDQ) | The results showed the effectiveness of the intervention on improving the ability of the experimental group in verbal and non-verbal skills scales compared to the control group (P < 0.001). |
| Laska et al., 2014, USA & Norway (47) | Expanding the lens of evidence-based practice in psychotherapy: A common factors perspective | Librarian | N = 344; Targeted sampling | Databases, internet resources and previous studies | The results showed the effect size of the therapeutic alliance (57%), empathy (63%), common therapeutic goals (72%), originality and coordination (49%), positive attention and approval (56%), and therapist (46%), indicating the relatively high effect size of therapeutic interventions. |
| Modaresi Asem et al., 2017, Iran (44) | The effectiveness of four-factor therapy: The relationship of therapy, therapy expectation, increasing awareness and ordered behavior on reducing marriage conflicts | Quasi-experimental | N = 52; Convenience | Marriage Conflicts Questionnaire (MCQ) | The results of one-way analysis of variance and multivariate covariance showed the effect of therapeutic methods on eight components related to marital satisfaction. Also, correlated t-test confirmed the stability of the results (P < 0.05). |
| Su, 2018, USA (45) | The effect of common factor therapist behaviors on change in marital satisfaction | Quasi-experimental | N = 48; Convenience | Therapist's General Clinical Skills/Qualities (TGCSQ), DAS, Emotion Focused Therapy-Therapist Fidelity Scale (EFT-TFS) | The results showed that out of 14 common factors studied, 13 factors had no significant relationship with any change in marital satisfaction, and only the therapist empathic factor was a strong predictor in this regard. |
| Harbison, 2018, USA (46) | Therapist common factors, influence on client constructive communication and conflict resolution in couple therapy | Secondary analysis of previous studies by correlational method | N = 82; Convenience | CPQ, Styles of Conflict Inventory (SCI), Marital Interaction Coding Scale-Global (MICS-G) | The results of the Pearson correlation coefficient showed that the therapist's common therapeutic factors had a positive relationship with changes in the constructive and reciprocal relationship between couples. However, the direction of this relationship was reversed in the situation of using individual system techniques, especially in female therapists. |