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Original Articles

Development of the Mandarin pediatric speech intelligibility (MPSI) test

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Pages 718-728 | Received 01 Sep 2008, Published online: 08 Oct 2009
 

Abstract

The objective of this research was to create a Mandarin closed-set sentence recognition test based on the English pediatric speech intelligibility (PSI) test (Jerger & Jerger, Citation) for evaluation of speech perception in children as young as three years of age. Developmentally normal children (N = 93), 3–6 years of age, were administered the Mandarin PSI (MPSI) via a computer-controlled protocol. Perfect performance was observed for all children in quiet and at +10 and +5 dB signal-to-noise ratios (SNRs). Significant age and developmental trends were seen for the more difficult SNRs, 0 dB, −5 dB, and −10 dB, with 75% of 5–6 year olds reaching the most difficult SNR. Children who reached each of the more difficult SNRs, regardless of age, exhibited the same pattern of performance on all easier conditions, indicating that the final SNR achieved, rather than percent correct scores, may be a better descriptor of performance. The MPSI comprises part of a hierarchical assessment battery for pediatric speech perception for evaluation of intervention alternatives for Mandarin-speaking children with hearing impairment.

Abbreviations
ESP=

Early speech perception test

HINT-C=

Hearing in noise test for children

IT-MAIS=

Infant-toddler meaningful auditory integration scale

MESP=

Mandarin early speech perception test

MPSI=

Mandarin pediatric speech intelligibility test

PSI=

Pediatric speech intelligibility test

SNR=

Signal/noise ratio

Abbreviations
ESP=

Early speech perception test

HINT-C=

Hearing in noise test for children

IT-MAIS=

Infant-toddler meaningful auditory integration scale

MESP=

Mandarin early speech perception test

MPSI=

Mandarin pediatric speech intelligibility test

PSI=

Pediatric speech intelligibility test

SNR=

Signal/noise ratio

Sumario

El objetivo de esta investigación fue crear una prueba de reconocimiento de frases en contexto cerrado en Mandarín con base en la prueba pediátrica de inteligibilidad en inglés (PSI) (Jerger & Jerger, 1984) para la evaluación de la percepción del lenguaje en niños con edades de 3 años en adelante. Realizaron la prueba de PSI en Mandarín (MPSI) niños con edades de 3 a 6 años, con desarrollo normal (N = 93), por medio de un protocolo controlado por computadora. Se observó un desempeño perfecto en silencio en todos los niños y con una relación señal/ruido (SNR) de +10 y +5 dB. Se apreciaron tendencias significativas por edad y desarrollo en los SNR con mayor dificultad, 0 dB, −5 dB, y −10 dB, y un 75% de los niños de 5–6 años lograron los SNR de mayor dificultad. Los niños que alcanzaron los SNR más difíciles, sin importar la edad, mostraron el mismo patrón de desempeño en todas las condiciones fáciles, indicando que el SNR final logrado, más que un porcentaje de calificaciones correctas, puede ser un mejor descriptor de desempeño. El MPSI forma parte de una batería jerárquica de pruebas en la evaluación pediátrica de la percepción del lenguaje cuando se consideran alternativas de intervención para niños con trastornos auditivos que hablan mandarín.

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