“…Past researchers established vocal–verbal behavior (e.g., Davis, Boon, Cihak, & Fore, ; Mason, Rispoli, Ganz, Boles, & Orr, ; Najdowski, Bergstrom, Tarbox, & Clair, ; Nuernberger et al, ; Schmidt & Strichter, ) and nonvocal–verbal behavior (e.g., Hood, Luczynski, & Matteer, ; Peters & Thompson, ; Sewart, Carr, & LeBlanc, ) as discriminative stimuli for the conversational responses of young adults and children with ASD. Peters and Thompson () demonstrated that teaching children to tact conversational partner behavior as interested or disinterested was not sufficient to produce attempts to regain a partner's interest and that direct teaching of these responses was necessary.…”