The Internet as a research vehicle presents both opportunities and challenges for psychological research. In 1985, only of US households had a personal computer, and the Internet as we now know it, with its rich array of communication, information, entertainment, and commercial services, did not exist. Since then, this exotic technology has become domesticated and is now used by the majority of Americans for personal and economic reasons (Cummings & Kraut, 2002). By September of 2001, 66% of the US population used a computer at home, work, or school, and the vast majority of these, 56% of the US population, also used the Internet (U. S