The present study evaluated a systematic instructional package including the system of least prompts (SLP) to teach differentiation and selection of tangible symbols to continue activities for two children with complex support needs and deafblindness (DB). A multiple probe design across three symbols was used to evaluate the intervention package…

Individuals with intellectual and developmental disabilities (IDD) often lack skills in order to navigate in the communities. Given the availability of the mobile devices and their potential use as assistive technologies for learners with IDD, we investigated the effects of constant time delay (CTD) on acquisition of the steps required to plan…