Hudson, Melissa E. “Is Practice in a Mixed-Reality Environment Better Than Role Play for Promoting Implementation Fidelity of the Constant Time Delay Procedure for Special Education Undergraduates?”. Journal of the American Academy of Special Education Professionals 16, no. 1 (February 15, 2021): 59–72. Accessed September 23, 2025. https://www.aasep.org/article/view/448.