The Journal of Developmental and Physical Disabilities published a meta-analysis on the use of sensory integration with individuals who have or at risk for a developmental or learning disability or delay. The outcomes from 30 studies on sensory integration therapy were reviewed and analyzed.
The results were the following:
1. Studies that compared sensory integration therapy to no treatment yielded a statistically significant but small effect
2. Studies that compared sensory integration therapy to alternative interventions there was no significant differences
3. Many flaws were identified including issues in clearly defining treatment, evaluating integrity, poor quality of research and diversity of outcome measures.
Overall, there was little evidence that sensory integration therapy was an effective intervention for any diagnostic group, particularly when functional blinded outcome measures were analyzed. The authors discussed the minimum methodological requirements for any future research studies.
Reference: Han Ming Leong et al. Meta-analysis of Research on Sensory Integration Therapy for Individuals with Developmental and Learning Disabilities. Journal of Developmental and Physical Disabilities. April 2015, Volume 27, Issue 2, pp 183-206
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