Drivers on the phone: Misusing the original social network

Researchers have been tracking the use of phones by drivers for almost a decade. We know that phones reduce driver performance, and that one fifth of motor-vehicle accidents involve cell phone use. We know that hands-free phones don’t help. Heavy traffic and stop-and-go traffic compound the risk, because driving in this type of traffic requires […]

Auto-correct a touch-screen problem

For the past few months, I’ve been taking an average of 1.6 flights per week on commercial airplanes. Most of these offered seatback entertainment, so I could watch the TV show or movie of my choice, or listen to satellite radio while reading. Touch-screen controls are easy to use because they let me touch—or tap—the item or […]

Designing and influencing user performance

When designing the user experience of software, UX- and Development teams often focus on how the user interface supports user performance, because that’s within their locus of control. Once the product is in the wild, environmental factors may reduce user performance despite the team’s best product-design efforts. But I believe it’s possible for a UX team to […]

Train yourself in frustration, confusion, and inefficiency

For professional reasons, I like to mess around with software. It’s a form of training, because some of the messing around leads to frustration, confusion, and inefficiency. And that’s good.
My hope is that my experiences will help me to better understand what I put various groups of software users through when they use the software […]

Photos help user personas succeed

If your user persona includes an image, which type of image helps the team produce designs that are more usable?

The illustration on the left?  Or the photo on the right?
According to Frank Long’s research paper, Real or Imaginary: The effectiveness of using personas in product design, photos are better than illustrations. Teams whose user personas include a photograph […]

How many user personas?

If you’re creating user personas, How-To articles often tell you that you only need two or three personas at most. That’s fine for most web-design projects. However, if you are working on an enterprise-wide system that has modules for different types of professionals who each perform distinct and substantial tasks, then you will have a […]