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Expert consensus in solo voice performance evaluation

J Wapnick1, E Ekholm

  • 1McGill University, Montreal, Quebec, Canada.

Journal of Voice : Official Journal of the Voice Foundation
|January 9, 1998
PubMed
Summary
This summary is machine-generated.

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Developing a vocal performance evaluation scale showed that larger judge panels significantly improve interjudge reliability. Overall score and intonation accuracy were most reliable, while diction was less so.

Area of Science:

  • Vocal performance evaluation
  • Psychometrics
  • Music cognition

Background:

  • Objective evaluation of vocal performance is challenging.
  • Developing reliable assessment tools is crucial for music education and performance feedback.
  • Previous methods lacked standardized criteria and consistent reliability.

Purpose of the Study:

  • To identify key criteria for evaluating vocal performance.
  • To construct a reliable assessment scale for vocal performances.
  • To determine the impact of judge panel size on reliability.

Main Methods:

  • Expert interviews to establish evaluation criteria.
  • Development of a vocal performance assessment scale.
  • Inter- and intrajudge reliability testing with 19 distinct vocal performances.

Related Experiment Videos

  • Factor analysis to identify underlying evaluative dimensions.

    • Main Results:

    • Interjudge reliability was modest for a single judge but increased significantly with larger panels.
    • Overall score and intonation accuracy demonstrated the highest reliability.
    • Diction was found to be less reliable compared to other evaluated aspects.
    • Factor analysis revealed dimensions of intrinsic quality, execution, and diction.
    • Two primary evaluative dimensions emerged, with experts differing in their primary influence (execution vs. intrinsic quality).

    Conclusions:

    • A vocal performance evaluation scale can be reliably constructed, especially with larger expert panels.
    • Overall score and intonation are robust indicators in vocal assessment.
    • Individual expert focus (e.g., execution vs. intrinsic quality) influences evaluation reliability.
    • Further research can refine the scale and explore its application across different vocal genres.