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Original Article

Development and standardization of single and double dichotic digit tests in the Malay language

Desarrollo y estandarización de pruebas de dígitos dicóticos sencillos y dobles en lengua malaya

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Pages 344-352 | Published online: 07 Jul 2009
 

Abstract

Single and double dichotic digit tests in Malay language were developed and standardized as an initial attempt to incorporate tests of auditory processing within the scope of audiology practice in Malaysia. Normative data under free recall, directed right-ear first, and directed left-ear first listening conditions were determined using 120 Malay children between the ages of 6 and 11 years old with normal hearing and normal academic performance. Test-retest reliability was assessed in 15 of the study subjects. In general, the double dichotic digit test produced greater differences in scores between age groups, and a greater right-ear advantage than the single dichotic digit test. In addition, the double dichotic digit test also had higher test-retest reliability. These findings suggest the double dichotic digit test is more clinically applicable.

Sumario

Se desarrollaron y estandarizaron pruebas de dígitos dicóticos sencillos y dobles en lengua malaya como un intento inicial de incorporar pruebas de procesamiento auditivo en la práctica de la audiología en Malasia. Se determinaron datos normativos en contexto abierto y en condiciones de escucha dirigidas primero al oído derecho, o primero al oído izquierdo, utilizando a 120 niños malayos con edades entre 6 y 11 años, con audición normal y rendimiento académico normal. La confiabilidad test-retest se evaluó en 15 de los sujetos del estudio. En general, la prueba de dígitos dicóticos dobles produjo mayores diferencias de puntaje entre los grupos etáreos, y una mayor ventaja para el oído derecho que las prueba de dígitos dicóticos sencillos. Además, la prueba de dígitos dicóticos dobles también mostró mayor confiabilidad test-retest. Estos hallazgos sugieren que la prueba de dígitos dicóticos dobles es más aplicable clínicamente.

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