ActiThings Toolkit - Towards Supporting Older Adults' Adherence to Home-based Physical Exercise Programs by Providing Notifications in Opportune Moments. - Elke Beck; Kai von Holdt; Jochen Meyer 001 (HEALTHINF, 2018)

Using Activity Tracker Data for the Assessment of Physical Activity in Public Health Studies. - Jochen Meyer 001; Kai von Holdt; Inna Bragina; Claudia Voelcker-Rehage (ICHI, 2018)

ActiStairs: Design and Acceptance of a Technology-Based Intervention to Advocate Stair-Climbing in Public Spaces. - Jochen Meyer 001; Elke Beck; Kai von Holdt; Dirk Gansefort; Tilman Brand; Hajo Zeeb; Susanne Boll (HealthMedia@MM, 2018)

Exploring Technologies for Encouraging Home-Based Physical Exercise among Older Adults: A Brief Study Protocol. - Elke Beck; Kai von Holdt; Jochen Meyer 001; Susanne Boll (PDH, 2019)

Toy or tool? Activity trackers for the assessment of physical activity in the wild. - Jochen Meyer 001; Kai von Holdt; Elke Beck; Mirko Brandes; Claudia Pischke; Claudia Voelcker-Rehage (ICHI, 2019)

Sneaking Physical Exercise into Sedentary Work Life: Design Explorations of Ambient Reminders in Opportune Moments. - Elke Beck; Kai von Holdt; Jochen Meyer 001; Susanne Boll (ICHI, 2019)

Corona-Warn-App: Erste Ergebnisse einer Onlineumfrage zur (Nicht-)Nutzung und Gebrauch. - Jochen Meyer 001; Thomas Fröhlich 001; Kai von Holdt (CoRR, 2020)

ActiThings: Reminders for physical activity exercises in daily lives of inactive older adults. - Jochen Meyer 001; Elke Beck; Kai von Holdt; Frauke Koppelin; Alexander Pauls; Susanne Boll (ICHI, 2021)

I do. Do I? - Understanding User Perspectives on the Privacy Paradox. - Frederike Jung; Kai von Holdt; Ronja Krüger; Jochen Meyer 001; Wilko Heuten (MindTrek, 2022)

The Art of Privacy - A Theatrical Privacy Installation in Virtual Reality. - Frederike Jung; Jonah-Noël Kaiser; Kai von Holdt; Wilko Heuten; Jochen Meyer 001 (CHI Extended Abstracts, 2023)