Empowering Users to Handle Misinformation in Podcasts
E.X. Tan (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Ujwal Gadiraju – Mentor (TU Delft - Web Information Systems)
Zhengjun Yue – Graduation committee member (TU Delft - Multimedia Computing)
G.M. Allen – Mentor (TU Delft - Web Information Systems)
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Abstract
Podcasts are a rapidly growing medium for information sharing, but their audio and one-way communication format presents unique challenges in addressing misinformation. This thesis explores how to empower podcast listeners to identify and respond to misinformation effectively. Study I investigates listening habits, user trust, confidence, and behavioral responses to misinformation in podcasts through a survey of diverse participants. Key findings highlight gaps in user confidence, the impact of demographic factors, and preferences for incentives to flag misinformation. Study II builds upon these insights to design, implement, and evaluate three interventions—PAUSE, ALERT, and VOLUNTARY—aimed at optimizing user engagement in flagging misinformation. A labeled podcast dataset was created to facilitate this task-based experiment. The findings offer insights into the design of user-centric misinformation detection systems. Interventions have shown potential in empowering users to identify misinformation in podcasts. Although, whether they are able to address misinformation in podcasts effectively remains uncertain and needs further exploration. This work not only addresses a significant gap in the literature but also lays the groundwork for future innovations in combating misinformation in podcasts.