The Elaboration Likelihood
Model (ELM) is a dual-process theory of attitude change (Petty & Cacioppo,
1986). The model describes two
processes, or routes, that people take when presented with a persuasive
message. The first route, called the
central route to persuasion, describes when individuals think about and
scrutinize messages intended to change their attitudes, whereas the second
route (i.e., the peripheral route to persuasion) describes when individuals use
superficial cues to base their decision on an argument (Petty & Cacioppo,
1986).
Whether
people use the central or peripheral route and whether their attitude changes
depends on three factors: the source
(i.e., the person giving the message), the message (i.e., what the source is
saying), and the audience (i.e., to whom the message is directed; Petty &
Cacioppo, 1986). In fact, past research
shows that some techniques are more effective in advertising (Petty, Cacioppo,
& Schumann, 1983). When individuals
are low in involvement (i.e., they cared less about the product), they recall a
product more when a famous person (i.e., the source) endorses than when a
citizen does (Petty et al., 1983).
Specifically,
one factor that makes a source more persuasive is likeability, which can be
split into two factors, one of which is physical attractiveness (Chaiken, 1979). A recent ad campaign by Reebok includes
Victoria Secret model Miranda Kerr (rated 27th out of Men’s Health “100
Hottest Women”; Men’s Health, 2014). In the ads below, Kerr models Reebok’s new
Skyscape shoes. Reebok takes a step further
(besides just using a “hot” famous person) using the physical attractive source
technique by dressing Kerr in little to no clothing (e.g., a towel in the second photo). Clearly, Reebok hopes
that its audience will use peripheral cues in making a decision to buy their shoes.
In
addition, the second factor in likeability is similarity (Chaiken, 1979). Reebok attempts to make Kerr appear more
similar, and thus more likeable. In the
top photo, the words state that the Reebok Skyscape is the “perfect all
day shoe for Miranda Kerr – and you.” By
insinuating that even famous models need an “all day shoe,” Reebok is creating
a similarity between the audience and Kerr, appearing to make her more
likeable.
Lastly, Reebok
relies on positive emotion to increase use of the peripheral route. Positive emotions can increase attitude
change (Schwartz, Bless, & Bohner, 1991).
By including the cute puppy in the top photo and a massage table
on the bottom, Reebok hopes to increase positive emotion, and thus, positive
feelings about the shoes (e.g., that they are comfortable, relaxing). Similar
to the physical attractiveness technique, Reebok wants the audience to rely on
peripheral cues rather than the central route. (N=443)
References
Chaiken, S. (1979). Communicator
physical attractiveness and persuasion. Journal of Personality and Social
Psychology, 37(8), 1387-1397.
Men’s Health Magazine (2014, July 2). The hottest women of 2014. Men’s Health Magazine. Retrieved from http://www.menshealth.com/sex-women/hottest-women-2014
Petty, R. E., & Cacioppo, J. T.
(1986). Communication and persuasion:
Central and peripheral routes to attitude change. New York: Springer-Verlag
Petty, R.
E., Cacioppo, J. T., & Schumann, D. (1983). Central and peripheral routes
to advertising effectiveness: The moderating role of involvement. Journal
of Consumer Research, 10(2), 135-146. Retrieved from http://www.jstor.org/stable/2488919
Schwarz, N., Bless, H., & Bohner, G.
(1991). Mood and persuasion: Affective states influence the processing of
persuasive communications. Advances in Experimental Social Psychology, 24,
161-199.
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