Journal
ACM TRANSACTIONS ON ACCESSIBLE COMPUTING
Volume 14, Issue 1, Pages -Publisher
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3433607
Keywords
Games for health; serious games; computer-aided pronunciation training (CAPT); speech sound disorders (SSDs); childhood apraxia of speech (CAS)
Funding
- NPRP from the Qatar National Research Fund (a member of Qatar Foundation) [8-293-2-124]
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Digital games can enhance the enjoyment and motivation of speech therapy for children. Developing speech therapy games for long-term use can effectively increase children's engagement and therapeutic efficacy. The study shows that Apraxia World game performs well in enhancing children's engagement and therapeutic outcomes in speech practice.
Digital games can make speech therapy exercises more enjoyable for children and increase their motivation during therapy. However, many such games developed to date have not been designed for long-term use. To address this issue, we developed Apraxia World, a speech therapy game specifically intended to be played over extended periods. In this study, we examined pronunciation improvements, child engagement over time, and caregiver and automated pronunciation evaluation accuracy while using our game over a multi-month period. Ten children played Apraxia World at home during two counterbalanced 4-week treatment blocks separated by a 2-week break. In one treatment phase, children received pronunciation feedback from care-givers and in the other treatment phase, utterances were evaluated with an automated framework built into the game. We found that children made therapeutically significant speech improvements while using Apraxia World, and that the game successfully increased engagement during speech therapy practice. Additionally, in offline mispronunciation detection tests, our automated pronunciation evaluation framework outperformed a traditional method based on goodness of pronunciation scoring. Our results suggest that this type of speech therapy game is a valid complement to traditional home practice.
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