On Attitudes, Norms, Control Beliefs and Interfaces
Why Sustainable Transport Adoption is not an HCI Problem
Ambika Shahu (Interdisciplinary Transformation University Austria)
Paniz Moazami Goodarzi (University of Siegen)
E.Y. Kim (TU Delft - DesIgning Value in Ecosystems)
Shadan Sadeghian (University of Siegen)
Philipp Wintersberger (Interdisciplinary Transformation University Austria)
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Abstract
Promoting sustainable mobility requires technological innovation and changes in individual travel behavior. Using the Theory of Planned Behavior, we examined how attitudes, norms, and perceived control shape the willingness to adopt alternatives to car use. We designed 38 future commuting scenarios, each of which isolated a single dimension across three mobility concepts: public transportation, cycling, and shared automated vehicles. In an online survey (N = 168), participants rated their willingness to switch modes and pay more. To deepen our understanding, we conducted follow-up interviews (N = 10), exploring their everyday mobility practices and their likes and dislikes regarding the practicality of the future scenarios. Our findings show that features linked to instrumental attitudes and control beliefs elicit stronger intentions than affective cues, ecological appeals were less persuasive. We argue that effective behavior change depends on linking motivational factors to the realities of everyday mobility contexts.
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