We present the development and evaluation of an online learning system for people with developmental disabilities (DD) of all ages in collaboration with Imagine! and Hope Services, two not-forprofit organizations that provide care services to people with DD. The system was implemented as an HTML5-based web application for iPad. It includes activities that aim to support and improve the process through which people with DD of all ages reinforce basic skills such as recognizing numbers, letters, money, shapes, and colors. User evaluations suggest that a system such as ours will be: 1) helpful in supporting people with DD reinforce basic skills, and 2) well-received by users. CCS Concepts • Human-centered computing → Accessibility → Accessibility design and evaluation methods.
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