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Related Experiment Videos

Nasalance statistics for two Mexican populations.

A C Nichols1

  • 1Department of Communicative Disorders, San Diego State University, CA 92182, USA. anichols@mail.sdsu.edu

The Cleft Palate-Craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association
|March 6, 1999
PubMed
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This study established reliable nasalance statistics for Spanish speakers in Mexico. Nasalance scores varied slightly by city, age, and gender, particularly for sentences with nasal sounds.

Area of Science:

  • Speech-Language Pathology
  • Acoustic Phonetics
  • Cross-Cultural Communication

Background:

  • Nasalance measurement is crucial for assessing velopharyngeal function.
  • Normative data for nasalance in Spanish-speaking populations, particularly in Mexico, is limited.
  • Understanding demographic influences on nasalance is essential for accurate clinical interpretation.

Purpose of the Study:

  • To establish normative nasalance statistics for Spanish-speaking individuals in Mexico.
  • To assess the reliability of various nasalance measures.
  • To investigate the impact of city, age group, and gender on nasalance scores.

Main Methods:

  • 152 healthy Spanish-speaking participants were recruited across three age groups from two Mexican cities.

Related Experiment Videos

  • Nasalance was measured using two sentence types: non-nasal (NN) and nasal (N).
  • Eight nasalance statistics (means, deviations, maxima, minima) were analyzed for reliability and group differences.

    • Main Results:

    • Nasalance measures demonstrated high reliability (Cronbach's alpha: 0.87–0.95).
    • Significant differences were found across cities for NN means and N minima.
    • Age groups differed in NN minima, and gender differences were observed in N minima.

    Conclusions:

    • The study provides reliable nasalance data for Spanish-speaking populations in Mexico.
    • City, age, and gender can influence specific nasalance measures, particularly those involving nasal sounds.
    • These findings aid in the accurate interpretation of nasalance in clinical speech assessments.