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The Swedish version of the Voice Handicap Index adapted for singers
Anick Lamarche1, Joakim Westerlund, Ingrid Verduyckt
1Kungliga Tekniska Högskolan, School of Computer Science and Communication, Department of Speech, Music and Hearing, Stockholm, Sweden. anick@csc.kth.se
Abstract:
This study evaluates a Swedish version of the Voice Handicap Index adapted for singers. A total of 96 healthy singers and 30 singer-patients completed the questionnaire. Validity and reliability, internal coherence, and group differences were assessed. The singer-patient group had significantly higher scores than the control group. Reliability was confirmed by high Cronbach's (>0.78) for test-retest scores, and for each of the sub-scales. Test-retest stability in both groups was confirmed by high correlation values alpha (>0.8). Overall scores compared closely to those from previous reports. The Swedish translation of the adapted VHI for singers (RHI-s) is valid and reliable and shows sensitivity to the singer's concerns. It can be considered a useful tool in the clinical assessment of Swedish healthy or pathological singers.
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