Because different browsers render websites with slight idiosyncrasies, it is important to optimize rendering for the majority of users. This table shows how Internet Explorer is the most popular web browser. Therefore, when deciding the browser for which to design the survey, Internet Explorer 4.0 and newer was chosen as the target browser.

References and Online Resources

Browser Statistics: http://www.webreview.com/

Internet User Demographics:
NUA Internet Surveys
Usability.gov

Site Design Resources:
www.useit.com provides extensive information and links for low-barrier web design