From Discovery to Decisions: Archetypal Journeys of Mobile App Users and Their Implications on Privacy

要旨

Mobile permission decisions are often studied at the moment a permission request appears. However, our study shows that users’ choices are shaped much earlier, across a multi-stage journey that begins with app-need recognition and unfolds through app discovery, exploration, selection, installation, and first use. Drawing on interviews with 19 U.S.\ Android users, we map this process and identify four archetypal journeys that explain how early cues, such as discovery sources, app type, and social trust, shape later permission behavior. These insights align with theoretical models like Privacy Calculus, showing how users weigh perceived benefits and risks at each step, and complement Contextual Integrity theory, explaining how social norms and information flows shape expectations and constrain privacy agency across steps. We contribute an empirically grounded framework that clarifies why permission outcomes vary across contexts. Our results reframe mobile privacy as a sequential, path-dependent process, offering implications for future design and research.

著者
HTMA Riyadh
CISPA Helmholtz Center for Information Security, Saarbrücken, Saarland, Germany
Divyanshu Bhardwaj
CISPA Helmholtz Center for Information Security, Saarbrücken, Germany
Maria Victoria. Hellenthal
CISPA Helmholtz Center for Information Security, Saarbrücken, Germany
Alexander Hart
CISPA Helmholtz Center for Information Security, Saarbrucken, Saarland, Germany
Katharina Krombholz
CISPA − Helmholtz Center for Information Security, Saarbrücken, Germany
Sven Bugiel
CISPA Helmholtz Center for Information Security, Saarbruecken, Germany

会議: CHI 2026

ACM CHI Conference on Human Factors in Computing Systems

セッション: Security and Privacy Behavior

P1 - Room 127
6 件の発表
2026-04-14 18:00:00
2026-04-14 19:30:00