“How can you boost your web site’s credibility?|We have compiled 10 guidelines for building the credibility of a web site. These guidelines are based on three years of research that included over 4,500 people.” —Stanford Guidelines for Web Credibility (Web Credibility)
My former student Anne Wendt, who suggested the site, did a project for me on a related subject. Thanks for the link, Anne.
Unlike most online web-writing tip pages (ahem), this one offers links to supporting research. Very useful.