Speech audiometry test with picture-related sentence lists in Modern Greek for partially hearing children

Koloutsou, K., Kikidis, D., Spanoudakis, G., Bibas, A. & Nikolopoulos, T. (2017). Speech audiometry test with picture-related sentence lists in Modern Greek for partially hearing children. Hearing, Balance and Communication,

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Abstract

Objective: The aim of this study was to develop Greek Sentence Based Speech Audiometry Test in quiet test for Hearing Impaired (HI) children (G-SEBSAT).

Methods: Seventy-six children were recruited following approval by the local ethics committee and after obtaining informed consent from their parents. The collection of vocabulary was based on showing pictures selected from popular reading materials in Greek to hearing impaired HI children. A grammatical content analysis was carried out to determine the average syntactic and morphological structures of the sentences used by the HI children. Ten picture related sentence lists were developed based on the vocabulary and the grammatical analysis, and recorded by a male native speaker of standard Modern Greek. These were presented to both normal hearing (NH) and HI children, and the average speech response threshold (SRT) as well as the slope of the SRT curve at the SRT level of 50% correct responses (S50) were recorded in both groups. Sentence lists were validated with respect to the variability of their difficulty within each group, as well the test-retest variability of the respective SRT scores.

Results: The average speech response threshold (SRT) across all lists for HI children was 65.27 dB and the slope of the SRT curve at the SRT level of 50% correct responses was 3.11%/dB. The corresponding results across all lists for NH children were 17.66 dB and 9.7%/dB, respectively. The SRT of HI children were strongly positively correlated, in a statistically significant manner with the PTA in both the test and the retest sessions (test: r=0.750, P < 0.0005; retest: r=0.753, P < 0.0005). The Spearman correlation of the rankings of SRT values and the slope values was 0.998 and 0.997 respectively for the HI and 0.939 and 0.88, for the NH group, indicating very low variability across the test and retest sessions. In addition, the analysis of variance (ANOVA) of the average SRT in NH children and the SRT residuals in the HI group indicated that the different sentences were of the same difficulty within each group. ((F(9,81)=0.401, p=0.930 and (F(9,93)=2.241, p=0.025 respectively).

Conclusions: A validated sentence based speech audiometry test was created in Greek for the first time. SRT and S50 values for both NH and HI children are comparable to similar tests developed in other languages.

Item Type: Article
Additional Information: This is an Accepted Manuscript of an article to be published by Taylor & Francis in Hearing, balance and communication, to be available online: http://www.tandfonline.com/loi/ihbc20
Uncontrolled Keywords: Speech audiometry, Picture-related sentences, Greek language
Divisions: School of Informatics > Department of Computing
URI: http://openaccess.city.ac.uk/id/eprint/18443

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