期刊
BEHAVIOR THERAPY
卷 52, 期 2, 页码 492-507出版社
ELSEVIER INC
DOI: 10.1016/j.beth.2020.07.002
关键词
acceptance and commitment therapy; online therapy; meta-analysis; anxiety; depression
资金
- Research Training Program Scholarship - Monash University
- David Winston Turner Endowment Fund
Internet-based acceptance and commitment therapy (iACT) has shown effectiveness in improving and maintaining mental health outcomes for diverse populations, particularly in anxiety, depression, quality of life, and psychological flexibility. Therapist-guided interventions demonstrate greater effectiveness, while engagement with iACT plays a key role in treatment outcomes.
Internet-based acceptance and commitment therapy (iACT) primarily targets the process of psychological flexibility. Its accessibility and low-intensity delivery are applicable across different treatment and prevention scenarios. This transdiagnostic meta-analysis reviews the effectiveness of iACT on anxiety, depression, quality of life, and psychological flexibility across individuals with different psychological and somatic conditions/complaints, or undiagnosed complaints. Seven databases were searched for randomized controlled trials that reported on anxiety, depression, quality of life, and psychological flexibility outcomes from iACT in any adult population. Engagement with iACT was summarized and methodological and population-related variables were investigated as potential moderators of effectiveness. Across 25 studies, small pooled effects were found for all outcomes at post-assessment and maintained at follow-up time-points. Interventions with therapist guidance demonstrated greater effectiveness in improving depression and psychological flexibility outcomes compared to non- guided iACT, and populations defined by a psychological condition or symptoms (e.g., depressed samples) demonstrated greater improvements in anxiety compared to nonclinical or somatic populations (e.g., chronic pain samples or students). Participants completed on average 75.77% of iACT treatments. While we found iACT to be effective in improving and maintaining mental health outcomes across diverse populations, there was limited evidence of reliable, clinically significant effects.
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