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Background: Acceptance and commitment therapy (ACT), a third-generation cognitive behavioral therapy (CBT), has proved its efficacy amidst various mental disorders. A growing body of studies has shown that ACT can improve obsessive-compulsive disorder (OCD) severity in recent years. To assess the effect of ACT on OCD, we carried out a systematic review and meta-analysis to provide a basis for therapists to use different psychological dimensions of ACT for OCD. Methods: PubMed, the Cochrane Library, EMBASE, EBSCO Host, and literature references were searched until May 2021. Randomized controlled trials (RCTs) and other study designs assessing the effect of ACT among adults suffering from OCD were examined. Results: Fourteen studies, including 413 participants, published between 2010 and 2021 were identified. ACT made statistically significant progress in the Yale–Brown Obsessive–Compulsive Scale (YBOCS) compared with control conditions. Conclusion: After reviewing all the ACT studies, we acknowledge the plausibility of ACT in treating OCD and improving its symptoms for the clinical population. ACT can also be an adjunct therapy for other well-established treatments. It also favors targeting psychological inflexibility. Further well-controlled and high-quality RCTs are required for a better conclusion in further studies.

Objective This research examines the direct and indirect relationships between optimism, perceived social support (PSS), benefit finding (BF), and anxiety and depressive symptoms among Chinese women with breast cancer (BC). Methods We recruited 512 patients, aged averagely 47.46(SD = 8.51) years from two hospitals located in Hunan province, China. The variables were assessed using the Optimism–Pessimism Scale (OPS), the Multidimensional Scale of Perceived Social Support (MSPSS), the Benefit Finding Scale (BFS), and the Hospital Anxiety and Depression Scale (HADS). Path analyses were conducted by Amos version 24.0 for Windows to test the hypothesized serial mediation model. Results Path analyses suggest a significant negative association between optimism and symptoms of anxiety and depression. The relationship was mediated by BF (β = -0.085, SE = 0.015, 95% CI [-0.126, -0.055]), and by BF together with PSS (β = -0.027, SE = 0.007, 95% CI [-0.047, -0.017]). The difference comparison between the two indirect effects was significant (β = 0.057, SE = 0.015, 95% CI [0.034,0.101]). Conclusions Our findings suggest that PSS, and BF are important mediators through which optimism may buffer symptoms of anxiety and depression among Chinese BC patients. Clinicians and healthcare practitioners should be aware of the importance of patients’ emotional health and endeavor to offer emotional support, facilitate their capacity to improve their quality of life.

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Background: The perceived social support of breast cancer patients has a great effect on regulating their negative emotions such as anxiety and depression, which is helpful to improve their mental health level. The Perceived Social Support Scale (PSSS) is a frequently used instrument designed to assess the degree of perceived social support. However, the psychometric properties of PSSS in breast cancer patients have not been adequately studied. The purposes of this study were to evaluate the factor structure of PSSS and examine its measurement invariance across different demographic variables in a sample of breast cancer patients.Method: This study involved 989 female patients diagnosed with breast cancer, aged from 25 to 72 years old (Mean age = 47.67 years, SD = 8.87). The single-group confirmatory factor analysis was administrated to examine the factor structure of PSSS. The multi-group confirmatory factor analysis was used to demonstrate the measurement invariance of PSSS across different sociodemographic variables. Results: The PSSS had satisfactory reliability and validity in current sample. The three-factor model fit well in the overall sample and population subgroups. Configural, metric, scalar, and strict invariances were all supported by the data of breast cancer samples across different age, places of residence and educational levels.Conclusion: This study examined the factor structure and measurement invariance of PSSS across different demographic variables in women diagnosed with breast cancer. Our results proved that PSSS is suitable for use among breast cancer patients.

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