[Munich Intelligibility Profile. Studies of reliability and validity]

Area of Science:

• Speech-Language Pathology
• Biomedical Engineering
• Clinical Linguistics

Context:

• Dysarthria, a motor speech disorder, significantly impacts communication intelligibility.
• Objective and reliable assessment tools are crucial for evaluating speech impairments.
• The Munich Intelligibility Profile (MVP) is a computer-based system designed for this purpose.

Purpose:

• To evaluate the reliability and validity of the Munich Intelligibility Profile (MVP) for assessing dysarthric speakers.
• To provide empirical evidence for the test construction and scoring methods of the MVP.
• To confirm the equivalence of different MVP lists in predicting intelligibility.

Summary:

• The study assessed the MVP's reliability using non-parametric ANOVA and listener correlations, including retest reliability.
• Validity was examined by correlating MVP scores with expert ratings, listener ratings, and transcriptions.
• Regression analyses demonstrated that various MVP lists yield equivalent predictions of transcription-based intelligibility.

Impact:

• The findings support the MVP as a robust and dependable instrument for quantifying dysarthric speech intelligibility.
• This research contributes to the development of standardized tools for speech disorder assessment.
• The MVP can aid clinicians and researchers in better understanding and managing communication challenges in dysarthria.