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“The Usability Body of Knowledge (BoK) project is dedicated to creating a living reference that represents the collective knowledge of the usability profession.”
http://www.usabilitybok.org/

Stop adding features. Too much features blur the main purpose of your application.

Complex looking interfaces tend to look great. Take any 3D Modeling application as an example – a lot of buttons and features always look hightech…
…but the truth is: Newer interfaces tend to have fewer buttons, and a cleaner look.
I tried to prove this tendency with an evidence series starting with this post.
Here is evidence number [...]

Usability research is behavior-driven.
The quality data you get from people is:

what they do
what they fail to do
and how they do it

People’s opinion, should never be considered as input for usability research (you may find some usefull thoughts however).

Over the last 5 years, “usability” and “user experience” have been often used (abused?) as buzz words to improve web designers/developers curriculae (and apparently improve their actual skills).
Most of these people never conducted a single usability test.

Most of the users don´t go to a website to interact with its beautiful and brilliantly designed interface.
They just want to go in, get stuff done, and get out. Take google.com as an example: People go in, search, and get out (the faster, the better).
If users don´t notice the interaction, the better. And this [...]

I believe if people could choose between clicking and thinking, clicking would win.
Sometimes, “click count to complete task” might be a usefull metric tool, but here’s what I mean:
When you want to find something, it’s easier to click some times along a well structured and predictable data-set than trying to figure out a specific item [...]

In the Usability process, testing is probably the most focused and documented step on the web. It happens that the most critical part for a successfull and juicy report, are the moments before and after testing.
Not-so-easy-as-it-might-look tasks that make the difference.:
Make sure you understant the project
A clear vision about the project must be built on [...]

Recently I got a little verbal fight with a friend because of animation and usability. It all started with a public Touchscreen. It was nice to play with but, between screens, a sliding animation took place, and, (there’s where it all started) took a bit to release the interface to full interactivity – buttons [...]

The Elements of User Experience – User-centered design for the web.
Just got my book after a 1month+ wait time. International regular mail just sucks.
The book doesn’t. In fact I’m quite impressed how this book, copyrighted in 2003, can be so much usefull in nowadays tecnology rush.
Maybe because It is not about tecnology, it is about [...]