Journal
INTERNATIONAL JOURNAL OF DISASTER RISK REDUCTION
Volume 54, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ijdrr.2021.102043
Keywords
Disaster informatics; Digital divide; Social media; Social media bias
Funding
- National Science Foundations [1846069]
- Gulf Research Program Early-Career Research Fellowship
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This study conducted an exploratory analysis of empirical household survey data on the information seeking, sharing activity, and perceptions of information reliability on social media platforms across different population groups during three major hurricane storm events in the United States between 2017 and 2018. The findings suggest significant associations between social media use and socioeconomic factors, as well as the influence of social media in creating or dismantling the digital divide during disasters.
How populations use social media in disasters is essential for evaluating the representation of subpopulations while analyzing social media data for emergency response and disaster research. Existing machine learning models can extract, characterize and make sense of digital trace data from social media, but are unable to account for diversity in population groups and use of social media. Consequently, the reliability of their decision making ability remains questionable. This paper presents an exploratory analysis of empirical household survey data on the information seeking, sharing activity, and perceptions of information reliability on social media platforms across different population groups during three major hurricane storm events in the United States between 2017 and 2018. The results of this analysis suggest significant associations between social media use and socioeconomic factors: (1) Socioeconomic factors along with geographic effects play a role in determining not only platform uptake but both motivations for information seeking and the action of information sharing on social media, (2) The type of social media platform influences the type of information people seek, (3) Households from lower socioeconomic and minority backgrounds were more likely to use social media platforms to sought out different information on social media than their peer, (4) perceptions of information reliability are also influenced by social divides, where households in rural areas, lower income groups, and racial minorities were more likely to report greater unreliability in social media information. These findings provide new insights into the roles of social media use in creating or dismantling the digital divide during disasters.
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