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Odell-Miller, H., Hughes, P., & Westacott, M. (2006). Psychotherapy Research, 16(1), 122-139.

Arts therapies treatments offer patients therapy through primarily nonverbal means (i.e., art forms such as music, art, drama, and dance movement). They are particularly effective when normal communication is absent or has broken down. This study used a randomized control design and involved a treatment (n = 10) and a control (n = 15) group. Treatment was one of four arts therapies delivered in group or individual format. The authors used four separate questionnaires, administered over a 6-month period, to measure effectiveness. There was also a qualitative interview at the end of that period for the treatment group patients. The numerical results were not conclusive owing to high variability and small sample size, but the qualitative data reveal interesting facets of the process (e.g., that the therapists' and patients' perceptions of the treatment coincided in all treatment cases).  


The effect of mindfulness-based therapy on anxiety and depression: A meta-analytic review.

 Hofmann, S. G., Sawyer, A. T., Witt, A. A. & Oh, D. (2010). Journal of Consulting and Clinical Psychology, 78(2), 169-183.

Objective: Although mindfulness-based therapy has become a popular treatment, little is known about its efficacy. Therefore, our objective was to conduct an effect size analysis of this popular intervention for anxiety and mood symptoms in clinical samples. Method: We conducted a literature search using PubMed, PsycINFO, the Cochrane Library, and manual searches. Our meta-analysis was based on 39 studies totaling 1,140 participants receiving mindfulness-based therapy for a range of conditions, including cancer, generalized anxiety disorder, depression, and other psychiatric or medical conditions. Results: Effect size estimates suggest that mindfulness-based therapy was moderately effective for improving anxiety (Hedges’s g = 0.63) and mood symptoms (Hedges’s g = 0.59) from pre- to posttreatment in the overall sample. In patients with anxiety and mood disorders, this intervention was associated with effect sizes (Hedges’s g) of 0.97 and 0.95 for improving anxiety and mood symptoms, respectively. These effect sizes were robust, were unrelated to publication year or number of treatment sessions, and were maintained over follow-up. Conclusions: These results suggest that mindfulness-based therapy is a promising intervention for treating anxiety and mood problems in clinical populations

Mindfulness-based stress reduction and cancer: A meta-analysis.

 Ledesma, D. & Kumano, H. (2009). Psycho-Oncology, 18(6), 571-579.

Objective: This meta-analysis was conducted to investigate the effects of mindfulness-based stress reduction (MBSR) on the mental and physical health status of various cancer patients. Methods: Ten studies (randomized-controlled trials and observational studies) were found to be eligible for meta-analysis. Individual study results were categorized into mental and physical variables and Cohen's effect size d was computed for each category. Results: MBSR may indeed be helpful for the mental health of cancer patients (Cohen's effect size d = 0.48); however, more research is needed to show convincing evidence of the effect on physical health (Cohen's effect size d = 0.18). Conclusion: The results suggest that MBSR may improve cancer patients' psychosocial adjustment to their disease

Mindfulness-based stress reduction for stress management in healthy people: A review and meta-analysis.

 Chiesa, A. & Serretti, A. (2009). The Journal of Alternative and Complementary Medicine, 15(5). 593-600

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