The purpose of this article is to demonstrate how hierarchical linear modeling (HLM) can be used to enhance visual analysis of single-case research (SCR) designs. First, the authors demonstrated the use of growth modeling via HLM to augment visual analysis of a sophisticated single-case study. Data were used from a delayed multiple baseline…

Students with moderate intellectual disabilities (MoID) typically are not taught decoding skills because they have difficulty mastering critical blending skills. In response to this skill deficit among students with MoID, an "Initial Phonics" instructional sequence was created that included student development of rapid and automatic retrieval of…