Archive for May, 2007

The Economics of Usability

Wednesday, May 30th, 2007

One way to measure usability today is with time. How much time does it take someone to find a link on your web site? How much time does it take for a person to figure out how to send a text message with your new cellphone?

Every person has, to some degree, a perception of time as a limited resource. As we know, resources that are limited tend to become more valuable. Although the perception of time is flexible, people place a value on their time. At least unconsciously, people will try to weigh spending time on your user interface vs. the perceived potential benefit.

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Humans are Generalization Machines

Wednesday, May 30th, 2007

As human beings, without even realizing it, we are constantly creating generalizations as devices of cognitive efficiency.

For example, you probably know that this is a blog even though it’s content and design are completely unique. However, it has enough blog-like characteristics for you to stick it into the blog “bucket” in your brain. It lights up enough neurons that you have associated with blogs that you can say to some degree of certainty it is a blog.

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Aesthetics and Usability

Tuesday, May 29th, 2007

Are pretty things easier (thus more likely) to be used. Current research seems to indicate that they are. If you actually care about people using your products / web sites - it bears paying attention to how things look.

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