“…Both implications are well-supported. On the one hand, research has shown that relational responding can be brought under operant control, both in terms of the specific types of relational responses that people emit (i.e., Crel control; Hughes et al, 2019;Perez et al, 2017) as well as the specific properties of stimuli which people relate (i.e., Cfunc control; Delabie et al, 2022;Finn & De Houwer, 2021). On the other hand, there are now many studies which demonstrate that relational responding fluency can be trained directly (Cassidy et al, 2016;Colbert et al, 2018;McLoughlin et al, 2021).…”