Haunschild, Jasmin ; Pauli, Selina ; Reuter, Christian (2023)
Preparedness nudging for warning apps? A mixed-method study investigating popularity and effects of preparedness alerts in warning apps.
In: International Journal of Human-Computer Studies, 172
doi: 10.1016/j.ijhcs.2023.102995
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

Warning apps are used by many to receive warnings about imminent disasters. However, their potential for increasing awareness about general hazards and for increasing preparedness is currently underused. With a mixed-method design that includes a representative survey of the German population, a design workshop and an app evaluation experiment, this study investigates users’ preferences regarding non-acute preparedness alerts’ inclusion in crisis apps and the effectiveness of Nudging in this context. The experiment shows that while the social influence nudge had no significant effect compared to the control group without a nudging condition, the confrontational nudge increased the number of taken recommended preparedness measures. The evaluation indicates that the preparedness alerts increased users’ knowledge and their motivation to use a warning app. This motivation is, in contrast, decreased when the messages are perceived as a disruption. While many oppose push notifications, favor finding persuasively designed preparedness advice in a separate menu or as an optional notification.

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