• Dear American Airlines | Dustin Curtis
  "I’m a user interface designer. I travel sometimes. Recently, I had the horrific displeasure of booking a flight on your website, aa.com. The experience was so bad that I vowed never to fly your airline again. But before we part ways, I have some questions and two suggestions for you."
• Margins of Error in Usability Tests | Measuring Usability
  "How many users will complete the task and how long will it take them? If you need to benchmark an interface, then a summative usability test is one way to answer these questions. Summative tests are the gold-standard for usability measurement. But just how precise are the metrics?"
• Men Need Speed – web usability criteria show gender differences | Website Optimization
  "In a recent usability survey, researchers from Southern Illinois University found that after ease of use, men prefer fast download speed to easy navigation. Women prefer ease of use, easy navigation, and accessibility. The researchers hypothesize that these different usability criteria are due to differences in how men and women use the Web."

(via delicious.com)

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