www.aresluna.org/attached/usability/lectures/01/test3
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A little test illustrating a quick loss of objectivity.

Step #3: now, are you able to see anything but the cow? Look how little time did it take to change your way of perceiving this photo. Now think if the programmer, spending weeks or months on one particular project, will ever be able to look at it like a new, first-time user?

The original picture


Source: test from the book The design of everyday things



Page added on 4th January 2003, and updated on 1st April 2003.

Copyright © 2002-2005 Marcin Wichary