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Efficacy of psychological interventions for selective mutism in children: A meta-analysis of randomized controlled trials |
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Wiley-Blackwell Publishing Ltd |
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Background: Selective mutism is a rare childhood anxiety disorder characterized by a consistent failure to speak in certain social situations where speech is expected, despite fluent speech in other situations. The purpose of this meta-analysis was to investigate the efficacy of psychological interventions for selective mutism in randomized controlled trials (RCTs).
Methods: Five RCTs with a total of 233 participants were analysed using a randomeffects model. A quality assessment of the included studies revealed that psychometrically sound measures and treatment manuals were used across all studies.
Results: The results of the analyses showed psychological interventions to be more effective than no treatment, with the overall weighted effect size of g = 0.87, indicating a large mean treatment effect. This effect did not significantly differ with whether only selective mutism specific or nonselective mutism specific measures were included in the analysis.
Conclusions: These findings provide support for the efficacy of psychological treatment for selective mutism. Future research could examine the effects of the successful treatments identified in this meta-analysis when compared with a psychological placebo or another bona fide treatment. |
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Child: Care, Health and Development, 47(6), p. 771-781 |
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