Publications by authors named "Rachel Peng"

Health misinformation, defined as false or misleading claims lacking scientific evidence, poses a significant threat to public health. This paper investigates factors associated with the failure to discern misinformation, including health consciousness, information processing strategies, and inaccurate self-assessments of health literacy. Through an online experiment involving 707 English-speaking U.

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Prior research showed that prescribing positively-valenced media can reduce people's perceived stress. This study explored the potential of cute media by further considering media sub-forms and individual differences in stress responses. We conducted a between-subjects experiment ( = 436) to assess how small doses of various cute media (none vs.

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This paper aims at identifying user's information needs on Coronavirus and the differences of user's information needs between the online health community MedHelp and the question-and-answer forum Quora during the COVID-19 global pandemic. We obtained the posts in the sub-community on MedHelp (195 posts with 1627 answers) and under the topic of on Quora (263 posts with 8401 answers) via web scraping built on Selenium WebDriver. After preprocessing, we conducted topic modeling on both corpora and identified the best topic model for each corpus based on the diagnostic metrics.

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Objective: Risk assessment and response is important for understanding human behavior. The divisive context surrounding the coronavirus pandemic inspires our exploration of risk perceptions and the polarization of mitigation practices (i.e.

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