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With whom do consumers interact? Effects of online comments and perceived similarity on source credibility, content credibility, and personal risk perception

Hue Trong Duong (Department of Communication Studies, University of Georgia, Athens, Georgia, USA)
Long Thang Van Nguyen (School of Communication and Design, RMIT Vietnam University, Ho Chi Minh City, Vietnam)
Hong Tien Vu (William Allen White School of Journalism and Mass Communications, University of Kansas, Lawrence, Kansas, USA)

Journal of Social Marketing

ISSN: 2042-6763

Article publication date: 29 October 2019

Issue publication date: 14 January 2020

1264

Abstract

Purpose

The purpose of this study is to investigate the effects of congruent and incongruent anonymous comments posted to an online health news article on personal risk perception. This association is examined through testing the moderating roles of perceived similarity and approval ratings, and the mediating roles of source credibility and content credibility.

Design/methodology/approach

Hypotheses regarding the impact of comments on personal risk perception were tested experimentally using a news article, comments and approval ratings about the ear picking behavior. Data were collected from 391 young Vietnamese respondents.

Findings

The influence of online comments (congruent vs incongruent) on personal risk perception was mediated by source credibility and content credibility. Further, data showed a direct effect of online comments on personal risk perception. Interestingly, the direct and indirect effects of online comments on personal risk perception were observed among participants who perceived that anonymous commenters were similar to them. Approval ratings had neither a main nor interaction effect with comments on the dependent variables.

Practical implications

The results indicate that marketers should consider online comments as a powerful form of social influence, which may alter consumers’ personal risk perception.

Originality/value

The present study adds to social marketing literature by showing how consumers’ online comments influence personal risk perception in the context of changing media ecosystem.

Keywords

Citation

Duong, H.T., Nguyen, L.T.V. and Vu, H.T. (2020), "With whom do consumers interact? Effects of online comments and perceived similarity on source credibility, content credibility, and personal risk perception", Journal of Social Marketing, Vol. 10 No. 1, pp. 18-37. https://doi.org/10.1108/JSOCM-02-2019-0023

Publisher

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Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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