... A variety of intervention delivery formats, including individual (e.g., Brazeau et al., 2017;Gould et al., 2017;Little et al., 2020;Singh et al., 2003;Singh et al., 2004;Singh et al., 2018;Singh, Lancioni, Winton, Adkins, et al., 2007;Singh, Lancioni, Winton, et al., 2011d;Szabo, 2019), group (e.g., Castro et al., 2016;Chancey et al., 2019;Pingo et al., 2019;Singh, Lancioni, Winton, Curtis, et al., 2006;Singh et al., 2013;Singh et al., 2015), pyramidal (e.g., Singh et al., 2014;Singh et al., 2017;Singh, Lancioni, Manikam, et al., 2011;Singh, Lancioni, Singh, et al., 2011b;Singh, Lancioni, Singh, et al., 2011c), and telehealth (e.g., Singh et al., 2017;Singh, Lancioni, Singh, et al., 2011c), was also found to be efficacious; thus, clinicians have o p t i o n s f o r h o w t o i m p l e m e n t c o m p o n e n t s o f ACTraining. Variables to consider when choosing such formats include the contextual variables associated with the individuals needing to be trained, as there are advantages and disadvantages of each. ...