Meta-analysis of the Effectiveness of Treatments for Adult Hispanics

Efficacy and effectiveness studies compose the evidence-base for treatments and assist to determine the use of treatments for clients. Efficacy studies help identify outcomes while effectiveness studies help evaluate care given in real-world settings. Minorities are largely missing from efficacy studies.  Meanwhile in the psychotherapy effectiveness literature, questions regarding the importance of context in therapy have been made discussing the cultural adaptations of treatments. Research on this topic has yielded that clients who received culturally adapted treatments had greater therapeutic outcomes compared to typical forms of treatment. . New literature about therapy effectiveness in Hispanic/Latinos and a meta-analysis of the topic are long overdue. The METAH (Meta-analisis de Efectividad en Tratamientos en Adultos Hispanos) Project, through the use of the systematic reviews of the literature and the meta-analysis method, has the goal of establishing the efficacy and effectiveness of psychological treatments for mental disorders in Hispanic/Latino adults and children and/or adolescents. This study will include randomized clinical trials or open trials articles that provide quantitative data regarding mental health treatments, mental health status, demographic data of clients, and that work with Latino/Hispanic clients. Studies included have been identified in prior meta-analysis, reviews, published and unpublished studies from different databases. Coders trained in meta-analytic coding will code the studies independently to maintain inter-rater reliability. Data will be transformed, as effect sizes using Cohen’s d. Moderator analysis will be conducted to explore the relationship between effect sizes and different sample characteristics, as well as study design variables. Through this process we hope to have an accurate overview or where we stand in respects of effectiveness and efficacy of treatments for the Latino/Hispanic population, so we can deliver better and safer treatments.


Guillermo Bernal, Ph.D. - gbernal@ipsi.uprrp.edu

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