“…This was influenced directly by the work by Skinner (1968Skinner ( /1972. The discrete trial teaching procedure (DTT), which greatly defines the interventions at LAPITEA has been documented along the years in several manuals based on scientific research concerning developmental delays (Alwell, Hunt, Goetz, & Sailor, 1989;Barbera, 2007;Charlop-Christy & Carpenter, 2000;Charlop, Schreibman & Thibodeau, 1985;Charlop & Trasowech, 1991;Charlop & Walsh, 1986;Gee, Graham, Goetz, Oshima, & Yoshioka, 1991;Greer & Ross, 2008;Matos, 2016;Richman, 2001;Sundberg & Partington, 1998) and is based on givingseveral opportunities to respond (massed trials). However, the D. C. de Matos, P. G. S. de Matos Psychology need to conduct both DTT in a more structured environment as well as more naturalistic teaching during the day-to-day of individuals with autism in less restricted environments is advised (Sundberg & Partington, 1998).…”