This study evaluated the effects of progressive time delay (PTD) to teach four elementary students with intellectual disability on how to self-instruct using a video activity schedule. A single-case multiple probe across participants design with a multiple probe across environments design for each participant was used to assess the generalization…

Literacy skills are important for accessing all areas of academic content as well as for increasing quality of life. The use of shared stories to teach early literacy skills to students with extensive support needs, including students with autism, is an evidence-based practice. This project extends the research by examining the effects of…