There were some clues': A qualitative study of heuristics used by parents of adolescents to make credibility judgements of online health news articles citing research

Lauren A. Maggio*, Melinda Krakow, Laura L. Moorhead

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Objective To identify how parents judge the credibility of online health news stories with links to scientific research. Design This qualitative study interviewed parents who read online stories about e-cigarettes and human papillomavirus (HPV) vaccination published by top-tier US news organisations. Researchers asked participants to describe elements of a story that influenced their judgement about content credibility. Researchers analysed transcripts using inductive and deductive techniques. Deductive analysis drew on cognitive heuristics previously identified as being used by the public to judge online health information. Inductive analysis allowed the emergence of new heuristics, especially relating to health. Setting The US National Cancer Institute's Audience Research Lab in Maryland, in August-November 2018. Participants Sixty-four parents with at least one child between the ages of 9 and 17 residing in Maryland, Virginia, or the District of Columbia participated. Researchers randomly assigned 31 parents to the HPV vaccination story and 33 to the e-cigarette story. Results Evidence of existing heuristics, including reputation, endorsement, consistency, self-confirmation, expectancy violation and persuasive intent emerged from the interviews, with participants deeming stories credible when mentioning physicians (reputation heuristic) and/or consistent with information provided by personal physicians (consistency heuristic). Participants also described making credibility judgements based on presence of statistics, links to scientific research and their general feelings about news media. In relation to presence of statistics and links, participants reported these elements increased the credibility of the news story, whereas their feelings about the news media decreased their credibility judgement. Conclusions Parents used a constellation of heuristics to judge the credibility of online health news stories. Previously identified heuristics for online health information are also applicable in the context of health news stories. The findings have implications for initiatives in education, health communication and journalism directed towards increasing the public's engagement with health news and their credibility judgements.

Original languageEnglish
Article numbere039692
JournalBMJ Open
Volume10
Issue number8
DOIs
StatePublished - 26 Aug 2020
Externally publishedYes

Keywords

  • health informatics
  • medical journalism
  • qualitative research

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