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Original Article

The International Outcome Inventory for Hearing Aids (IOI-HA): psychometric properties of the English version: El Inventario International de Resultados para Auxiliares Auditivos (IOI-HA): propiedades psicometricas de la version en ingles

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Pages 30-35 | Received 12 Jul 2001, Accepted 27 Sep 2001, Published online: 07 Jul 2009
 

Abstract

The International Outcome Inventory for Hearing Aids (IOI-HA) is a seven-item questionnaire designed to be generally applicable in evaluating the effectiveness of hearing aid treatments. The inventory was developed to facilitate cooperation among researchers and program evaluators in diverse settings. It is brief and general enough to be appended to other outcome measures that might be planned in a particular application, and will provide directly comparable data across otherwise incompatible projects. For this plan to be successful, it is essential to generate psychometrically equivalent translations in the languages in which hearing aid research and treatment assessments are performed. This article reports the psychometric properties of the inventory for the original English version. The items are reasonably internally consistent, providing adequate statistical support for summing the scores to generate a total outcome score. However, for maximum internal consistcncy, it would be desirable to generate two scores for the inventory.

Sumario

El Inventario Internacional de Resultados para Auxiliares Auditivos (IOI-HA) es un cuestionario de siete puntos diseñado para aplicarse de manera general en la evaluation de la efectividad de los tratamienlos con auxiliares auditivos. El inventario se desarrollo para facililar la cooperation entre los investigadores y quienes evaluan programas, en diversos ambientes. Por ser suficientemente breve y general puede ser agregado a otras formas particulares de medicion de resultados que se apliquen y podrá proveer datos directamente comparables entre proyectos que de otra forma serían incompatibles. Para que este plan sea exitoso, es esencial generar traducciones psicométricamente equivalentes en las lenguas en las cuales se realiza la investigaciócute;n sobre auxiliares auditivos y sobre el análisis de los tratamientos. Este articulo reporta las propiedades psicométricas del inventario en su versiócute;n original en inglés. Los puntos son razonable e internamente consistentes y proveen una base estadística adecuada para poder sumar los puntos y generar así un puntaje de resultados integral. No obstante, para lograr la máxima consistencia interna, es deseable que para el inventario se generen dos puntajes.

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