The perceived value of a site represents the benefit that users expect to derive from using it. High expectations make users more likely to engage with the site.
Sites must meet users' basic trust needs before they demand that visitors enter information or engage with them. The trust pyramid has 5 distinct levels of user commitment, each with separate design requirements before users will give a website what it wants.
The words in a link label make a strong suggestion about the page that is being linked to. The destination page should fulfill what the anchor text promises.
Feeling that there is only one chance can convince people to take action sooner, sometimes without careful consideration of consequences or alternative options.
Demanding that users register or log in before they can use an app or see website information has high interaction cost and defies the reciprocity principle.
Humans tend to return good deeds: use this social psychology law in user interface design to gain users’ trust and motivate engagement with your site or app.
The "halo effect" is when one trait of a person or thing is used to make an overall judgment of that person or thing. It supports rapid decisions, even if biased ones.
Giving money on charity websites is 7% more difficult than spending money on ecommerce sites. Donating physical items is even harder. For non-profit websites, social media is secondary; the top priority is to write clearer content.
Different traffic sources imply different reasons for why visitors might immediately leave your site. Design to keep deep-link followers engaged through additional pageviews.
Review of B.J. Fogg's new Persuasive Technology book, which provides useful principles on how to think about creating persuasive design, but rarely gives detailed design guidelines. The exception is a section on enhancing website credibility.
Epinions and Google join
eBay in maintaining independent ratings of the quality of products,
websites, and auction sellers, leading to better customer service
and helping users make informed buying decisions.
The Web is turning into a low-trust society, hurting the honest sites. Site design can communicate
trustworthiness in several ways, though ultimately the customer's actual experience is what matters.