“…People with mental retardation also use technologies in their performance of everyday life activities (8)(9)(10)(11), and, despite the fact that they should also be viewed as users of ET (12), our understanding of the interaction between people with mental retardation and everyday technologies is still limited. Many cognitive skills that are important for the use of technology, such as memory, learning, reading, and processing information skills, may also present challenges to this group of people (12,13). As an example, the use of cash dispensers requires memory functions to enter the correct code, and reading skills to check the receipt.…”