“…However, it is possible that during both training and testing, participants from Dougher et al () may have engaged in verbal behavior which could have contributed to their performance (e.g., Carp & Petursdottir, ; Jennings & Miguel, ; Lee, Miguel, Darcey, & Jennings, ; Ma, Miguel, & Jennings, ; Mandell & Sheen, ; Miguel, ; Miguel et al, ; Miguel, Petursdottir, Carr, & Michael, ; Moustakis & Mellon, ; Petursdottir, Carp, Peterson, & Lepper, ; Randell & Remington, ; Santos, Ma, & Miguel, ; Sundberg, Sundberg, & Michael, ). For example, when participants learned to select the smallest, medium, or biggest comparison in the presence of specific sample stimuli (nonarbitrary training), they could also have tacted each sample as the size of the correct comparison (i.e., “small,” “medium,” and “large”).…”