Explaining Search Result Stances to Opinionated People
Z. Wu, T. Draws, F. Cau, F. Barile, A. Rieger, N. Tintarev

TL;DR
This study explores how stance labels and explanations in search results can promote diverse information consumption among opinionated users, without necessarily changing their opinions.
Contribution
It introduces an automatic method for classifying and explaining search result stances and evaluates their effect on user diversity in search behavior.
Findings
Stance labels and explanations increase search result diversity.
No significant opinion change observed among users.
Explanations help users consider more diverse viewpoints.
Abstract
People use web search engines to find information before forming opinions, which can lead to practical decisions with different levels of impact. The cognitive effort of search can leave opinionated users vulnerable to cognitive biases, e.g., the confirmation bias. In this paper, we investigate whether stance labels and their explanations can help users consume more diverse search results. We automatically classify and label search results on three topics (i.e., intellectual property rights, school uniforms, and atheism) as against, neutral, and in favor, and generate explanations for these labels. In a user study (N =203), we then investigate whether search result stance bias (balanced vs biased) and the level of explanation (plain text, label only, label and explanation) influence the diversity of search results clicked. We find that stance labels and explanations lead to a more…
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Taxonomy
TopicsMisinformation and Its Impacts · Media Influence and Politics
