Effectiveness of 'Enhanced Units': A Report of a Randomized Experiment in California and Virginia. Research Report

Empirical Education Inc. is the independent evaluator of SRI International's 2014 Investing in Innovation (i3) Development grant called Redesigning Secondary Courses to Improve Academic Outcomes for Adolescents with Disabilities and Other Underperforming Adolescents. The goal of the grant is to develop "Enhanced Units" that combine research-based content enhancement routines, collaboration strategy, and technology components for secondary U.S. History and biology classes. This report presents findings of a randomized control trial (RCT) during the 2017-18 school year. The RCT measured the impact of "Enhanced Units" on higher order content skills (as measured through unit tests) in high school biology and U.S. History classes in three districts in Virginia and California. SRI, the Center for Applied Special Education Technology (CAST), and their research and practitioner partners developed "Enhanced Units" (EU) with the goal of integrating research-based content enhancement routines with technological enhancements to improve student content learning and higher order reasoning, especially for students with disabilities or other learning challenges. This study also documents the extent to which the core components of EU were implemented with fidelity. The authors provide descriptive results on classroom practices (as measured by teacher surveys) and contextual factors that support or hinder implementation (as described during teacher interviews). Future improvements to EU should focus on answering the question: "What is/are the best way(s) for teachers to present SIM routines to their students, particularly for students with learning challenges through SIM intervention?"