Fig. 2From: Developmental and sequenced one-to-one educational intervention (DS1-EI) for autism spectrum disorder and intellectual disability: a two-year interim report of a randomized single-blind multicenter controlled trialDS1-EI setting. a An example of one DS1-EI classroom: 1. Child’s and adult’s desk and chairs; 2. Child’s screen with pictograms; 3. The large table for mid-session group collaboration; (b) Each child is assigned a desk and two chairs (one for the child, one for the adult working with the child). During the learning sessions, the child sits with his back close to the wall. The adult working with the child sits facing the child. Written informed consent was obtained from the parents for the publication of this imageBack to article page