Abstract:of therapy/no intervention, and again after another 6 to 8 weeks. Analysis was conducted using SPSS(X). Results: Voice therapy improved self-rated (F = 12.2, P = 0.001), and expert-rated voice quality (F = 17.5, P < 0.001). Therapy also improved one acoustic analysis parameter-shimmer (amplitude perturbation: F = 5.9, P < 0.01); however, this effect was not sustained at follow-up. There were no differences between the groups in psychological distress or quality of life over time. Conclusion: (1) Voice therapy … Show more
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