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Abstract
Purpose: Pilot study to assess the effect of augmentative and alternative communication technology to enhance language development in children who are deaf or hard-of-hearing.
Materials and methods: Five children ages 5–10 years with permanent bilateral hearing loss who were identified with language underperformance participated in an individualized 24-week structured program using the application TouchChat WordPower on iPads®. Language samples were analyzed for changes in mean length of utterance, vocabulary words and mean turn length. Repeated measures models assessed change over time.
Results: The baseline median mean length of utterance was 2.41 (range 1.09–6.63; mean 2.88) and significantly increased over time (p = 0.002) to a median of 3.68 at final visit (range 1.97–6.81; mean 3.62). At baseline, the median total number of words spoken per language sample was 251 (range 101–458), with 100 (range 36–100) different words spoken. Total words and different words significantly increased over time (β = 26.8 (7.1), p = 0.001 for total words; β = 8.0 (2.7), p = 0.008 for different words). Mean turn length values also slightly increased over time.
Conclusions: Using augmentative and alternative communication technology on iPads® shows promise in supporting rapid language growth among elementary school-age children who are deaf or hard-of-hearing with language underperformance.
Acknowledgements
The authors would like to thank families who participated in this study. This work was supported in part by the March of Dimes [#12FY14–178], the Jack H. Rubinstein Foundation Award, and the CTSA 1UL1TR001425–1.
Disclosure statement
The authors declare that there are no conflicts of interest.