The purpose of this study was to investigate the effects of Transition to Literacy (T2L) software features (i.e., dynamic text and speech output upon selection of a graphic symbol) within a grid display in an augmentative and alternative communication (AAC) app on the single-word reading skills of five individuals with severe disabilities and complex communication needs. The study implemented a single-case multiple probe research design across one set of three participants. The same design was utilized with an additional set of two participants. During intervention, the T2L feature was activated for targeted words during a book reading activity. The dependent variable was the number of 10 target words correctly identified. With only limited exposure to the T2L feature, the five participants all demonstrated increased accuracy in identification of 10 target words. Four of the five participants generalized learning to use a text-only display for the 10 target words. This study provides preliminary evidence that redesigning AAC apps to include the provision of dynamic text combined with speech output can positively impact the single-word reading of participants. This adaptation in AAC system design could be used to support improved outcomes in both language and literacy.

中文翻译：

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具有向读写功能过渡的 AAC 应用程序对具有复杂沟通需求的个人单字阅读的影响

本研究的目的是研究过渡到识字 (T2L) 软件功能（即，在选择图形符号时的动态文本和语音输出）在增强和替代通信 (AAC) 应用程序中的网格显示中的影响。五个有严重残疾和复杂沟通需求的人的单词阅读能力。该研究在一组三名参与者中实施了单案例多探针研究设计。相同的设计与另外一组两名参与者一起使用。在干预期间，T2L 功能在读书活动期间针对目标单词激活。因变量是正确识别的 10 个目标词的数量。对 T2L 功能的了解有限，五名参与者都表现出在识别 10 个目标词方面的准确性有所提高。五名参与者中有四名普遍学习使用纯文本显示来显示 10 个目标词。这项研究提供了初步证据，表明重新设计 AAC 应用程序以包括提供与语音输出相结合的动态文本可以对参与者的单字阅读产生积极影响。AAC 系统设计中的这种调整可用于支持改善语言和读写能力的结果。