“…Others investigated the differences in personnel delivering the ABA interventions, such as a parent or clinician (Hayward et al, 2009;Lindgren et al, 2016), or differences in program delivery, such as via specific modeling, reinforcing, or prompting techniques (Campanaro et al, 2020;Jessel et al, 2020;Quigley et al, 2018). A number of comparison records compared time characteristics, such as reinforcement schedules or delays (Majdalany et al, 2016;Sy & Vollmer, 2012). Factors related to reinforcement in general were commonly compared and diverse in nature, spanning the quality, preference, presentation, and other aspects of reinforcement (Allison et al, 2012;Carroll et al, 2016;Fisher et al, 2000;Groskreutz et al, 2011).…”