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arXiv · 2309.11029

Trustworthiness Evaluations of Search Results: The Impact of Rank and Misinformation

Sterling Williams-Ceci·Michael Macy·Mor Naaman
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Abstract

Users rely on search engines for information in critical contexts, such as public health emergencies. Understanding how users evaluate the trustworthiness of search results is therefore essential. Research has identified rank and the presence of misinformation as factors impacting perceptions and click behavior in search. Here, we elaborate on these findings by measuring the effects of rank and misinformation, as well as warning banners, on the perceived trustworthiness of individual results in search. We conducted three online experiments (N=3196) using Covid-19-related queries to address this question. We show that although higher-ranked results are clicked more often, they are not more trusted. We also show that misinformation did not change trust in accurate results below it. However, a warning about unreliable sources backfired, decreasing trust in accurate information but not misinformation. This work addresses concerns about how people evaluate information in search, and illustrates the dangers of generic prevention approaches.

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Sterling Williams-Ceci, Michael Macy, Mor Naaman. 2023-09-20. Trustworthiness Evaluations of Search Results: The Impact of Rank and Misinformation. https://arxiv.org/abs/2309.11029

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