“…In addition, the POS return the overall level of the QoL construct both from the person's point of view with intellectual disabilities and from the caregivers perspective (De Windt & Lannau, 2009;Guàrdia-Olmos et al, 2017;Van Havere, 2011;Van Hove et al, 2011), achieving both subjective and objective "angulations". As already pointed out in other research (Del Bianco & Accorsi, 2019) the intersection of data from the total raw scores in the individual's self-assessment scale with those from the caregiver's assessment scale, provides additional meaning that is crucial for a more thorough evaluation of the QoL index (van Loon et al, 2017). We used the POS even because it is a highly versatile tool that makes it possible to program person-centered interventions, in order to make potential organizational changes.…”