The persuasive intent of this technology is to teach college students about such negative effects of alcohol as unsafe sex, drunk driving, and alcohol overdose, as well as about methods for making healthy decisions. It Over Computer Doll, a computer-doll that simulates how hard it is to care for a baby. It cries at irregular intervals and also registers certain acts of abuse. The persuasive intent of this technology is to convince teenagers to be sexually responsible so that they do not become parents. For computers to be persuasive, they have to be credible.
Many Web sites strive for credibility in persuading consumers to believe their messages.
The Web, simultaneously, has the least and most credible information of any contemporary media. Consumers constantly evaluate the believability, or credibility, and quality of information on the Web. Fogg suggests that credibility is not the same as trustworthiness but that trustworthiness is a component of credibility when combined with expertise. When we believe a site is credible because of general assumptions we hold, this is an example of presumed credibility. We believe a Web site has reputed credibility because of a reference from a third party.