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Construct Validity of the Viking Speech Scale.

Lindsay Pennington1, Katherine C Hustad2,3

  • 1Institute of Health and Society, Newcastle University, Newcastle upon Tyne, United Kingdom, lindsay.pennington@ncl.ac.uk.

Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)
|June 13, 2019
PubMed
Summary
This summary is machine-generated.

Speech intelligibility in single words and connected speech reliably predicts the Viking Speech Scale (VSS) rating for children with cerebral palsy, confirming VSS construct validity.

Keywords:
Cerebral palsyChildrenClassificationDysarthriaIntelligibilityViking Speech Scale

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Area of Science:

  • Speech-Language Pathology
  • Pediatric Neurology
  • Rehabilitation Medicine

Background:

  • The Viking Speech Scale (VSS) is a tool used to assess speech performance in children with cerebral palsy.
  • Establishing the construct validity of assessment tools is crucial for accurate clinical evaluation.

Purpose of the Study:

  • To determine if speech intelligibility, measured by single-word and connected speech tasks, predicts VSS ratings.
  • To confirm the construct validity of the Viking Speech Scale (VSS).

Main Methods:

  • Secondary analysis of anonymized data from 79 children with cerebral palsy (US and UK).
  • Speech intelligibility assessed using single-word and connected speech measures.
  • Ordinal logistic regression used to analyze the prediction of VSS ratings.

Main Results:

  • Both single-word and connected speech intelligibility significantly predicted VSS ratings.
  • These findings were consistent across both US and UK samples in univariate and multivariate models.

Conclusions:

  • Speech intelligibility is a significant predictor of VSS ratings.
  • The study establishes the construct validity of the Viking Speech Scale (VSS).