Privacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.

<h4>Objective</h4>Digital nudging has been mooted as a tool to alter user privacy behavior. However, empirical studies on digital nudging have yielded divergent results: while some studies found nudging to be highly effective, other studies found no such effects. Furthermore, previous st...

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Autores principales: Athina Ioannou, Iis Tussyadiah, Graham Miller, Shujun Li, Mario Weick
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Publicado: Public Library of Science (PLoS) 2021
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Acceso en línea:https://doaj.org/article/9e0ac69985f64d74b7893ba52f9713fe
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spelling oai:doaj.org-article:9e0ac69985f64d74b7893ba52f9713fe2021-12-02T20:19:23ZPrivacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.1932-620310.1371/journal.pone.0256822https://doaj.org/article/9e0ac69985f64d74b7893ba52f9713fe2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256822https://doaj.org/toc/1932-6203<h4>Objective</h4>Digital nudging has been mooted as a tool to alter user privacy behavior. However, empirical studies on digital nudging have yielded divergent results: while some studies found nudging to be highly effective, other studies found no such effects. Furthermore, previous studies employed a wide range of digital nudges, making it difficult to discern the effectiveness of digital nudging. To address these issues, we performed a systematic review of empirical studies on digital nudging and information disclosure as a specific privacy behavior.<h4>Method</h4>The search was conducted in five digital libraries and databases: Scopus, Google Scholar, ACM Digital Library, Web of Science, and Science Direct for peer-reviewed papers published in English after 2006, examining the effects of various nudging strategies on disclosure of personal information online.<h4>Results</h4>The review unveiled 78 papers that employed four categories of nudge interventions: presentation, information, defaults, and incentives, either individually or in combination. A meta-analysis on a subset of papers with available data (n = 54) revealed a significant small-to-medium sized effect of the nudge interventions on disclosure (Hedges' g = 0.32). There was significant variation in the effectiveness of nudging (I2 = 89%), which was partially accounted for by interventions to increase disclosure being more effective than interventions to reduce disclosure. No evidence was found for differences in the effectiveness of nudging with presentation, information, defaults, and incentives interventions.<h4>Conclusion</h4>Identifying ways to nudge users into making more informed and desirable privacy decisions is of significant practical and policy value. There is a growing interest in digital privacy nudges for disclosure of personal information, with most empirical papers focusing on nudging with presentation. Further research is needed to elucidate the relative effectiveness of different intervention strategies and how nudges can confound one another.Athina IoannouIis TussyadiahGraham MillerShujun LiMario WeickPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0256822 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Athina Ioannou
Iis Tussyadiah
Graham Miller
Shujun Li
Mario Weick
Privacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.
description <h4>Objective</h4>Digital nudging has been mooted as a tool to alter user privacy behavior. However, empirical studies on digital nudging have yielded divergent results: while some studies found nudging to be highly effective, other studies found no such effects. Furthermore, previous studies employed a wide range of digital nudges, making it difficult to discern the effectiveness of digital nudging. To address these issues, we performed a systematic review of empirical studies on digital nudging and information disclosure as a specific privacy behavior.<h4>Method</h4>The search was conducted in five digital libraries and databases: Scopus, Google Scholar, ACM Digital Library, Web of Science, and Science Direct for peer-reviewed papers published in English after 2006, examining the effects of various nudging strategies on disclosure of personal information online.<h4>Results</h4>The review unveiled 78 papers that employed four categories of nudge interventions: presentation, information, defaults, and incentives, either individually or in combination. A meta-analysis on a subset of papers with available data (n = 54) revealed a significant small-to-medium sized effect of the nudge interventions on disclosure (Hedges' g = 0.32). There was significant variation in the effectiveness of nudging (I2 = 89%), which was partially accounted for by interventions to increase disclosure being more effective than interventions to reduce disclosure. No evidence was found for differences in the effectiveness of nudging with presentation, information, defaults, and incentives interventions.<h4>Conclusion</h4>Identifying ways to nudge users into making more informed and desirable privacy decisions is of significant practical and policy value. There is a growing interest in digital privacy nudges for disclosure of personal information, with most empirical papers focusing on nudging with presentation. Further research is needed to elucidate the relative effectiveness of different intervention strategies and how nudges can confound one another.
format article
author Athina Ioannou
Iis Tussyadiah
Graham Miller
Shujun Li
Mario Weick
author_facet Athina Ioannou
Iis Tussyadiah
Graham Miller
Shujun Li
Mario Weick
author_sort Athina Ioannou
title Privacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.
title_short Privacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.
title_full Privacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.
title_fullStr Privacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.
title_full_unstemmed Privacy nudges for disclosure of personal information: A systematic literature review and meta-analysis.
title_sort privacy nudges for disclosure of personal information: a systematic literature review and meta-analysis.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/9e0ac69985f64d74b7893ba52f9713fe
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