Response rate, speed, and completeness: a comparison of Internet-based and mail surveys.

Because of their speed and accessibility, the use of on-line research tools has grown considerably in recent years. The present study compared two ways of delivering surveys: Internet-based and mail delivery methods. Although Internet-based and mail surveys achieved a similar response rate, Internet-based surveys may be more effective than mail surveys in a setting such as when the target population has both e-mail and Internet access.