“…Furthermore, the difficulty of learning arbitrary relations for people diagnosed with autism spectrum disorders, widely indicated in the literature (Dube & McIlvane, 1995;Eikeseth & Smith, 1992;Gomes & de Souza, 2008;Gomes, Varella, & de Souza, 2010;Kelly, Green, & Sidman, 1998;Vause, Martin, Yu, Marion, & Sakko, 2005;Williams, Pérez-González, & Queiroz, 2005), was not confirmed by this study, considering the data from the EI group. These positive results can be attributed to the set of conditions prepared in the procedure, all recommended by studies on teaching by exclusion trials, and the presence of important repertoires for the performance of the proposed tasks in the participants.…”