“…Supporting this argument, many researchers have demonstrated that spokespersons, such as celebrities, customers, and employees, play significant roles in persuading consumers (Gotlieb & Sarel, 1992;Misra & Beatty, 1990). Particularly, when spokespersons project credibility in the ads they endorse, they positively influence recipients' ad attitudes (Yoon, Kim, & Kim, 1998), agreement (Maddux & Rogers, 1980), persuasion (Sternthal, Dholakia, & Leavitt, 1978), and purchase intentions (Pornpitakpan, 2004). Ad scholars have identified the dimensions of spokesperson effectiveness in the source credibility model and the source attractiveness model (e.g., Ohanian, 1991).…”