The original version of the manuscript (i.e., Leaf et al., 2021) was published with a Green and Striefel (1988) reference by mistake. This reference should have instead been Favell, McGimsey, and Jones (1978). The original version of the manuscript was published declaring no conflicts of interest. It should be noted that ABA research, trainings, and services are provided by authors J. Leaf, Cihon, R. Leaf, McEachin, and Russell. Shapiro serves as board member of Autism Partenrship Foundation and J. Leaf. serves on several Editorial Boards, including JADD.