Promoting users’ intention to share online health articles on social media : the role of confirmation bias

Nowadays, it is a common practice for healthcare professionals to spread medical knowledge by posting health articles on social media. However, promoting users’ intention to share such articles is challenging because the extent of sharing intention varies in their eHealth literacy (high or low) and...

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Main Authors: Zhao, Haiping, Fu, Shaoxiong, Chen, Xiaoyu
Other Authors: Wee Kim Wee School of Communication and Information
Format: Journal Article
Language:English
Published: 2020
Subjects:
Online Access:https://hdl.handle.net/10356/143000
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author Zhao, Haiping
Fu, Shaoxiong
Chen, Xiaoyu
author2 Wee Kim Wee School of Communication and Information
author_facet Wee Kim Wee School of Communication and Information
Zhao, Haiping
Fu, Shaoxiong
Chen, Xiaoyu
author_sort Zhao, Haiping
collection NTU
description Nowadays, it is a common practice for healthcare professionals to spread medical knowledge by posting health articles on social media. However, promoting users’ intention to share such articles is challenging because the extent of sharing intention varies in their eHealth literacy (high or low) and the content valence of the article that they are exposed to (positive or negative). This study investigates boundary conditions under which eHealth literacy and content valence help to increase users’ intention to share by introducing a moderating role of confirmation bias—a tendency to prefer information that conforms to their initial beliefs. A 2 (eHealth literacy: high vs. low) × 2 (content valence: positive vs. negative) between-subjects experiment was conducted in a sample of 80 participants. Levels of confirmation bias ranging from extreme negative bias to extreme positive bias among the participants were assessed during the experiment. Results suggested that: (1) users with a high level of eHealth literacy were more likely to share positive health articles when they had extreme confirmation bias; (2) users with a high level of eHealth literacy were more likely to share negative health articles when they had moderate confirmation bias or no confirmation bias; (3) users with a low level of eHealth literacy were more likely to share health articles regardless of positive or negative content valence when they had moderate positive confirmation bias. This study sheds new light on the role of confirmation bias in users’ health information sharing. Also, it offers implications for health information providers who want to increase the visibility of their online health articles: they need to consider readers’ eHealth literacy and confirmation bias when deciding the content valence of the articles.
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spelling ntu-10356/1430002021-01-29T06:24:13Z Promoting users’ intention to share online health articles on social media : the role of confirmation bias Zhao, Haiping Fu, Shaoxiong Chen, Xiaoyu Wee Kim Wee School of Communication and Information Library and information science::General Confirmation Bias Content Valence Nowadays, it is a common practice for healthcare professionals to spread medical knowledge by posting health articles on social media. However, promoting users’ intention to share such articles is challenging because the extent of sharing intention varies in their eHealth literacy (high or low) and the content valence of the article that they are exposed to (positive or negative). This study investigates boundary conditions under which eHealth literacy and content valence help to increase users’ intention to share by introducing a moderating role of confirmation bias—a tendency to prefer information that conforms to their initial beliefs. A 2 (eHealth literacy: high vs. low) × 2 (content valence: positive vs. negative) between-subjects experiment was conducted in a sample of 80 participants. Levels of confirmation bias ranging from extreme negative bias to extreme positive bias among the participants were assessed during the experiment. Results suggested that: (1) users with a high level of eHealth literacy were more likely to share positive health articles when they had extreme confirmation bias; (2) users with a high level of eHealth literacy were more likely to share negative health articles when they had moderate confirmation bias or no confirmation bias; (3) users with a low level of eHealth literacy were more likely to share health articles regardless of positive or negative content valence when they had moderate positive confirmation bias. This study sheds new light on the role of confirmation bias in users’ health information sharing. Also, it offers implications for health information providers who want to increase the visibility of their online health articles: they need to consider readers’ eHealth literacy and confirmation bias when deciding the content valence of the articles. Accepted version 2020-07-20T08:27:11Z 2020-07-20T08:27:11Z 2020 Journal Article Zhao, H., Fu, S., & Chen, X. (2020). Promoting users’ intention to share online health articles on social media : the role of confirmation bias. Information Processing and Management, 57(6), 102354-. doi:10.1016/j.ipm.2020.102354 0306-4573 https://hdl.handle.net/10356/143000 10.1016/j.ipm.2020.102354 6 57 en Information Processing and Management © 2020 Elsevier Ltd. All rights reserved. This paper was published in Information Processing and Management and is made available with permission of Elsevier Ltd. application/pdf
spellingShingle Library and information science::General
Confirmation Bias
Content Valence
Zhao, Haiping
Fu, Shaoxiong
Chen, Xiaoyu
Promoting users’ intention to share online health articles on social media : the role of confirmation bias
title Promoting users’ intention to share online health articles on social media : the role of confirmation bias
title_full Promoting users’ intention to share online health articles on social media : the role of confirmation bias
title_fullStr Promoting users’ intention to share online health articles on social media : the role of confirmation bias
title_full_unstemmed Promoting users’ intention to share online health articles on social media : the role of confirmation bias
title_short Promoting users’ intention to share online health articles on social media : the role of confirmation bias
title_sort promoting users intention to share online health articles on social media the role of confirmation bias
topic Library and information science::General
Confirmation Bias
Content Valence
url https://hdl.handle.net/10356/143000
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