Extending prior literature on stereotypes about ethnic groups and warranting theory, this experimental study examined the effects of exposure to a target Chinese international student’s Facebook page with self-generated (stereotypically positive or negative) and/or other-generated wall posts (stereotypically positive or negative) on U.S. participants’ (N = 550, Mage = 21.38, SD = 3.82) perceptions of task attractiveness and behavioral tendencies (i.e., willingness to communicate/ cooperate) toward the target. Supporting warranting theory, results demonstrated that when other-generated posts were present and disconfirmed the Facebook page owner’s self-generated posts, other-generated posts mitigated the effects of self-generated posts in most cases. However, when other-generated and self-generated wall posts were consistent, other-generated posts produced an averaging effect. In addition, the type of dependent measure, and the dynamic interplay between stereotype content and the valence of self-generated posts also mitigated the warranting effect of other-generated posts.