Potential and Pitfalls of Digital Voice Assistants in Older Adults With and Without Intellectual Disabilities: Relevance of Participatory Design Elements and Ecologically Valid Field Studies - Schlomann, Anna; Wahl, Hans-Werner; Zentel, Peter; Heyl, Vera; Knapp, Leonore; Opfermann, Christiane; Krämer, Torsten; Rietz, Christian (Frontiers in Psychology, 2021)