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The performance of South African English first and second language adult speakers on a low "low linguistically loaded" central auditory processing test protocol

Saleh, S., Campbell, N.G. and Wilson, W.J. (2003) The performance of South African English first and second language adult speakers on a low "low linguistically loaded" central auditory processing test protocol South African Journal of Communication Disorders, 50, pp. 19-25.

Record type: Article

Abstract

The lack of standardized tests of central auditory processing disorder (CAPD) in South Africa (SA) led to the formation of a SA CAPD Taskforce, and the interim development of a "low linguistically loaded" CAPD test protocol using test recordings from the 'Tonal and Speech Materials for Auditory Perceptual Assessment Disc 2.0'. This study inferentially compared the performance of 16 SA English first, and 16 SA English second, language adult speakers on this test protocol, and descriptively compared their performances to previously published American normative data. Comparisons between the SA English first and second language speakers showed a poorer right ear performance (p < .05) by the second language speakers on the two-pair dichotic digits test only. Equivalent performances (p < .05) were observed on the left ear performance on the two pair dichotic digits test, and the frequency patterns test, the duration patterns test, the low-pass filtered speech test, the 45% time compressed speech test, the speech masking level difference test, and the consonant vowel consonant (CVC) binaural fusion test. Comparisons between the SA English and the American normative data showed many large differences (up to 37.1% with respect to predicted pass criteria as calculated by mean-2SD cutoffs), with the SA English speakers performing both better and worse depending on the test involved. As a result, the American normative data was not considered appropriate for immediate use as normative data in SA. Instead, the preliminary data provided in this study was recommended as interim normative data for both SA English first and second language adult speakers, until larger scale SA normative data can be obtained.

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More information

Published date: 2003
Organisations: Human Sciences Group

Identifiers

Local EPrints ID: 50436
URI: http://eprints.soton.ac.uk/id/eprint/50436
ISSN: 0379-8046
PURE UUID: e3a1613e-b428-4876-9543-7e66890ded2c

Catalogue record

Date deposited: 26 Feb 2008
Last modified: 17 Jul 2017 14:52

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Contributors

Author: S. Saleh
Author: N.G. Campbell
Author: W.J. Wilson

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