User Experience and Cognitive Engineering

Entries categorized as ‘cognitive ergonomics’

Leading change: the practitioner’s view

January 3, 2008 · 3 Comments

A few years ago, I was in a group that got lost during a hiking trip. One member of the group said “I know the way out. We just have to turn right and walk in that direction for 10 minutes; we will see a little farmhouse and the road to civilization”. He was sure of himself. We followed his lead but after 15 minutes of walking, no sign of the little farmhouse. The group began questioning the direction. After a while, it became obvious that we were led in the wrong direction. This leader failed and the magnitude of his failure was greater because of the high degree of confidence he expressed.

Bush Approval Ratings

This graph shows the evolution of George W. Bush’s approval rating over time. His approval rating rose to 68% in March 2003, at (more…)

Categories: Change Management · Christopher Wickens · Cognitive Egonomics · Cognitive Engineering · Don Norman · Human Errors · Human Factors · Jack Welch · User Experience · cognitive ergonomics · cognitive group
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Simplicity: the Jawbone web site

December 5, 2007 · Leave a Comment

In the: 10 things to do for the success of your web site – the practitioner view, I wrote in 8. Don’t reinvent the wheel: A simple menu and the browser’s back and forward button are Ok for most of the cases. Here is a sublime example of Web site simplicity. Jawbone, designed by FuseProject, one of the most innovative design firm based in SanFrancisco. Users can grab all elements in less than two seconds.

Jawbone

Say a lot with less!

Categories: Cognitive Egonomics · Cognitive Engineering · FuseProject · HCI · Human Computer Interaction · Jawbone · User Experience · Web usability · cognitive ergonomics · cognitive group
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On the Size of Font

November 18, 2007 · 5 Comments

Just back from SanFrancisco, I was trying to find an address in Montreal.
I had to slow down in order to read the street name. While slowing down, a car almost hit my back bumper! Hope it doesn’t sound familiar but I am sure it happens frequently. (more…)

Categories: Cognitive Egonomics · Cognitive Engineering · Thomas Tullis · User Experience · cognitive ergonomics · cognitive group
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Usability versus Usefulness

May 21, 2007 · 2 Comments

You have to provide your friend with driving directions to come to your home. All of a sudden, your are struggling. Is it two or three stops before turning right? Providing a direction can be very difficult even if you take that route everyday.

Cognition is distributed. Because our memory is optimized, our knowledge is ingrained within our (more…)

Categories: Cognitive Egonomics · Cognitive Engineering · Dan Diaper · HCI · Human Computer Interaction · Usability · User Experience · Web usability · cognitive ergonomics · cognitive group

Making and add effective: why Useful Field of View (UFOV) is so important

December 1, 2006 · 2 Comments

You are glancing everywhere searching for information on your computer screen. Soon, you start to feel frustrated and lose patience. Suddenly someone come to your rescue. Standing just behind your shoulder, this helper rapidly points out where to look on the screen.  You may or may not have experienced it but this story is related to the notion of Useful Field of View (UFOV).

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Categories: Cognitive Eggineering · Cognitive Egonomics · Google · HCI · Human Computer Interaction · Thomas Tullis · Usability · Web usability · cognitive ergonomics

Understanding the value of a Usability Study

October 29, 2006 · 1 Comment

Often at Cognitive we are asked the question of what is the benefit of doing a usability study compared to a consumer marketing study.  While it is true that both studies examine the satisfaction of the client in relation to a certain product or service; each of them provides different insights into the relationship of costumer-product. (more…)

Categories: Cognitive Engineering · Usability · Web usability · cognitive ergonomics