“…Over the last decade, several authors have evaluated and validated the efectiveness of the SS method in decreasing the frequency and the intensity of several problematic behaviors, such as aggression, screaming, grabbing toys, and crying [17], and in increasing the frequency and intensity of desirable behaviors, such as greeting and sharing things, playful behavior, etc. [11]. In many of these studies, SS has been used either as a sole intervention [11] or combined with other interventions, such as verbal and pictorial prompts, reinforcement of appropriate responses, robot-assisted programs [19], and various priming strategies [20].…”