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Summer 2004
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Titled "Sticky Priors: The Perseverance of Identity Effects on Judgement," the paper included four studies that examined the effects of identity on judgement. The studies looked at judgments of a variety of issues and products, such as pollution, legalizing marijuana, and electronic books, that were linked to different identities held by participants, such as environmentalist, businessperson, or parent. Bolton and Reed then tried to influence participants' judgments using techniques that varied from evenhanded reasoning (listing pros and cons) to adopting the perspective of another identity (say, parent vs. teenager), with little success. Social influence—good old peer pressure—was somewhat effective in countering identity based judgement, "But not entirely," Bolton says. "Throughout, we really find that identity is really powerful in its effects on judgement."

"It really doesn't help to go to the person and say to them, 'Hey come on, look at the evidence. 'If being a smoker is part of your identity, you can present all the analytic evidence in the world about cancer and heart disease, and it's going to be very difficult to sway your attitude toward smoking because it's so much a part of how you define yourself. Your identity serves as a filter of sorts, and you discount information or social influence that's inconsistent with that identity," she says. "It's hard to walk a mile in the other guy's shoes."

Smart marketers have relied on identity messages for years, luring consumers with products and brands that symbolize their own personality traits—or traits they aspire to. Ralph Lauren, for instance, has built an empire peddling everything from paint to perfume to the well-heeled set. Previous research has similarly demonstrated that consumers are often attracted to products and brands that are linked to their identity. But Bolton and Reed's work is the first to show how powerful identity is. "We believe we are the first to take an identity based judgement, subject it to attack with a variety of techniques, and demonstrate what a force it is," Bolton says.

The message for marketers, Bolton says, is that identity is a powerful way to build brand loyalty. "It resists counter attack from competitors. Arguments that say 'My brand is better because of these attributes' are probably not enough to overcome a strong identity based attitude for a competitor. It's a good basis for brand loyalty that resists change."

For social marketers focused on bettering consumer welfare, the studies provide evidence that finger wagging messages, such as anti-smoking advertising that barrages consumers with warnings about health risks, can be wholly ineffective. "Young people, teenagers, are just not going to respond to those kinds of messages," Bolton says. "They don't think they are at risk, but it's also not tying into why they smoke to begin with." A better approach, Bolton suggests, would focus on offering an attractive counter identity, such as encouraging healthy habits by linking them to athleticism.

What does the study offer managers? "Your identity can really effect how you face problems as a manager," Bolton says. "If you're a marketer, you think you need more advertising. If you're a finance person, you think you need more investment. It got me to thinking about the challenge of reconciling those different points of view within the firm. It also made me think that just being a business-person is actually a really strong identity for a lot of people. It's hard for them, say, to understand why the environmentalists or certain customer segments are so upset with them. A strong identity makes it harder to consider alternative points of view, which is really what you need to do as a manager—otherwise you're just going to bring your own biases into your perceptions of your customers and the marketplace."

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