Treffer: Eleuteria App: designing an interactive system to support individuals with mild intellectual disabilities.

Interactive systems improve accessibility in various daily scenarios. This has led to an increasing emphasis on designing and prototyping technologies tailored for individuals with intellectual disabilities. In this context, incorporating diverse perspectives during the design process ensures the systems address needs effectively and inclusively. This paper focuses on creating a supportive system, called Eleuteria App, to allow individuals with mild intellectual disabilities to be more autonomous and independent. The work follows the Double Diamond model requirements presenting an iterative and multi-step methodology for the Develop stage, highlighting the collaborative integration of observations from various stakeholders - including individuals with mild intellectual disabilities, caregivers, developers, accessibility experts, and researchers - to deliver an impactful supportive system. Building on the Define stage explored in previous research, this study proposes a structured methodology for the Develop stage involving four critical steps: (1) the development of a high-fidelity prototype; (2) a comprehensive validation by accessibility experts; (3) user testing involving both designers and developers; and (4) the update of the prototype according to the received feedback. The sessions with accessibility experts focused on ensuring the prototype met accessibility standards, such as WCAG compliance and plain language principles. At the same time, the involvement of designers and developers provided insights into practical usability and technical viability. The findings demonstrate that integrating diverse perspectives–particularly those of designers, accessibility experts, and developers–is crucial in crafting an accessible, user-friendly interactive system for individuals with mild intellectual impairments. Based on feedback from all evaluators, significant enhancements were made in the app to better align with their recommendations. [ABSTRACT FROM AUTHOR]