How big should your smile be? That was the subject of some interesting research that looked at how the intensity of a smile in an advertisement affected perceptions of that business.
Imagine you are a small law firm and you are designing an ad to attract more clients. You are mindful that people can feel intimidated by lawyers so you decide that your ad will include your friendly photo. You’ve been primped and polished and the photographer is ready to take your close up. They ask you to smile.
Are you better off smiling like Option A below, or should you stifle your exuberance like Option B?
Researchers from the University of Kansas discovered that smile intensity affects consumer perceptions of a business. In essence, a smile prompts consumers to assess the person in the ad on two attributes: warmth and competence.
The broader the smile, the greater the perceived warmth, but the lower the perceived competence. Think of it like a teeth-to-competence ratio.
Taking it further, the researchers delved into whether the type of service promoted by the ad made a difference. Their hypothesis was that when consumers are seeking a product or service to protect them or reduce their risk—a so called ‘prevention focus’—competence would be more important than warmth, and therefore a slight, rather than broad, smile would be better.
On the other hand, for consumers looking to gain or grow—a ‘promotion focus’—warmth would be more important, and a broader smile would be the best option.
To test this, they mocked up an ad for a nutritionist and varied two things: her smile (slight or broad) and how risky her advice was perceived (low or high). In the high risk conditions the ad carried the line “misleading advice … could lead to serious health-related issues”, whereas this line was deleted in the low risk condition.
Sure enough, when the nutritionist was seen as higher risk, a broader smile reduced her perceived competence, reduced purchase likelihood and reduced sign-ups to receive a free trial. When the risk was low, the nutritionist with a broad smile was seen as warmer, there was no impact on her perceived competence, respondents expressed a higher purchase intent and they signed-up more often.
These smile-intensity findings suggest we have to be careful about what message we are sending. If you need to convince people of your expertise and competence (for example, doctors, lawyers and financial planners), it seems you are better stifling your smile. In the image above, you are better to go with Option B than A. For those in lower risk businesses (like retail fashion or gadgets), a broader smile may be more appropriate.
Bri Williams deletes all buying hesitation and maximises every dollar of your marketing spend by applying behavioural economics to the patterns of buying behaviour. More at www.briwilliams.com.au.
Bri Williams is an authority on behavioural economics applied to everyday business and personal effectiveness.
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