Online advertisers are increasingly enjoying the ability to target messages to specifi c segments based on information collected at Web sites. Information collection, particularly from children, has been an ongoing concern of regulators, consumer advocates, and advertising industry organizations. Although the U.S. Federal Trade Commission (FTC) has advocated the implementation of safeguards (such as warnings, threats, and barriers) designed to limit children's online disclosure of sensitive information, little research to date has examined the effectiveness of these safeguards. We address this issue by fi rst examining the current state of online safeguards for Web sites that target preteen children, a group shown to be particularly vulnerable to the persuasive efforts of marketers. We then present a quasi-experimental investigation of online safeguard types and how their effectiveness in limiting preteen information disclosure is moderated by the mediation strategies of parents. Implications for advertisers, policymakers, parents, and educators are discussed.
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