What makes Web sites credible?: a report on a large quantitative study

  • Authors:

  • B. J. Fogg;Jonathan Marshall;Othman Laraki;Alex Osipovich;Chris Varma;Nicholas Fang;Jyoti Paul;Akshay Rangnekar;John Shon;Preeti Swani;Marissa Treinen

  • Affiliations:

  • Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA;Persuasive Technology Lab, Stanford University, Cordura Hall, Stanford, CA

  • Venue:
  • Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
  • Year:
  • 2001

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Abstract

The credibility of web sites is becoming an increasingly important area to understand. To expand knowledge in this domain, we conducted an online study that investigated how different elements of Web sites affect people's perception of credibility. Over 1400 people participated in this study, both from the U.S. and Europe, evaluating 51 different Web site elements. The data showed which elements boost and which elements hurt perceptions of Web credibility. Through analysis we found these elements fell into one of seven factors. In order of impact, the five types of elements that increased credibility perceptions were “real-world feel”, “ease of use”, “expertise”, “trustworthiness”, and “tailoring”. The two types of elements that hurt credibility were “commercial implications&rdquo ;and “amateurism”. This large-scale study lays the groundwork for further research into the elements that affect Web credibility. The results also suggest implications for designing credible Web sites.