Exploring the Effectiveness of Celebrity Endorsements

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2.3.3 Celebrity Persuasiveness Models
Previous researchers have developed different models to identify the most critical factors that determine the effectiveness of celebrity endorsement, in which source credibility model and source attractiveness model are generally recognized as the two most critical source characteristics in majority of studies (Choi & Rifon, 2012; DeShields & Kara, 2000; Erdogan, 1999; Friedman & Friedman, 1979; Klebba & Unger, 1983; McCracken, 1989; McGuire, 1985; Ohanian, 1990; Subhadip, 2012). Expertise, trustworthiness, and attractiveness are the three dimensions being recognized as the components of source persuasiveness (Hovland, Janis, & Kelley, 1953; Kahle & Homer, 1985; Lord & Putrevu, 2009; Ohanian, 1990). …show more content…

By definition, credibility refers to the believability of the celebrity endorser (Bhatt, Jayswal, & Patel, 2013). This source credibility model suggests that the effectiveness of celebrity endorsement is attributed to the perceived expertise and trustworthiness conveyed by the celebrity endorser (i.e. source) (Hovland et al., 1953). Kelamn (1961) defined source credibility as the perceived expertise and trustworthiness of the source by the message receivers. Other scholars also recommend that expertise and trustworthiness are the two most significant features that govern the level of source credibility (Bhatt, Jayswal, & Patel, 2013; Choi & Rifon, 2012; Dekker & van Reijmersdal, 2013; Egan, 2007; Ohanian, …show more content…

I. Expertise
Expertise can be also regarded as expertness (McCracken, 1989). McCracken (1989) recognized expertise as the perceived capability of the source to make valid declarations (Pornpitakpan, 2003). Expertise is related to the source’s particular ability, qualifications, acquaintance and experience, as perceived as a source of valid and convincing assertions (Choi & Rifon, 2012; Egan, 2007; Erdogan, 1999; Hovland, Jannis & Kelley, 1953).
Previous research generally indicates that there is a positive relationship between the source expertise and consumer attitudes (Choi & Rifon, 2012; Karmarkar & Tormala, 2010). A source that is perceived to be more expert in a particular aspect is generally more persuasive. Therefore a more effective communication is more likely to be generated (Aaker & Myers 1987), for instance, greater intention for message receivers to purchase the products (Ohanian 1991). Some scholars also find that celebrities with higher perceived expert normally generate high recall of endorsed product (Speck, Schumann & Thompson, 1988; Erdogan,

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