Browsing by Author "Li, Weijun"

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    An Empathy-Based Sandbox Approach to Bridge the Privacy Gap among Attitudes, Goals, Knowledge, and Behaviors
    Chen, Chaoran; Li, Weijun; Song, Wenxin; Ye, Yanfang; Yao, Yaxing; Li, Toby (ACM, 2024-05-11)
    Managing privacy to reach privacy goals is challenging, as evidenced by the privacy attitude-behavior gap. Mitigating this discrepancy requires solutions that account for both system opaqueness and users’ hesitations in testing diferent privacy settings due to fears of unintended data exposure.We introduce an empathy-based approach that allows users to experience how privacy attributes may alter system outcomes in a risk-free sandbox environment from the perspective of artifcially generated personas. To generate realistic personas, we introduce a novel pipeline that augments the outputs of large language models (e.g., GPT-4) using few-shot learning, contextualization, and chain of thoughts. Our empirical studies demonstrated the adequate quality of generated personas and highlighted the changes in privacy-related applications (e.g., online advertising) caused by diferent personas. Furthermore, users demonstrated cognitive and emotional empathy towards the personas when interacting with our sandbox. We ofered design implications for downstream applications in improving user privacy literacy.