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Interaction Design Trends 2015 & 2016

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Persuasive Paths 70<br />

Loss Aversion<br />

Studies show that people fear loss more than they value gains. “You<br />

can save $30 by signing up,” is weaker than, “You’re losing $30 if you<br />

don’t sign up.”<br />

One of the best uses of the loss aversion for web design is in the Scarcity<br />

Principle – limiting the availability of time, products, inclusions<br />

(membership), or information to make each seem more valuable. The<br />

UI pattern of a clock counting down the end of a sale, for example,<br />

is a glaring reminder to the user of the loss they could experience if<br />

they wait, inciting them to avert that loss by buying quickly.<br />

In the example below, Groupon makes use of both time limits and<br />

product availability in their sales.

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