Archive for December, 2009

Discount Usability Testing

This entry is part 4 of 12 in the series Medical Computing

This entry is part 4 of 12 in the series Medical ComputingIn the first of this series, I tried to persuade you that your computer was human-illiterate, and we defined and discussed usability, memorability, and learnability. In the second, we discussed Tognazzini’s Paradox: how the hardest part of designing an effective program is often what […]

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Design Integrity, Simplicity and Abstraction

This entry is part 3 of 12 in the series Medical Computing

This entry is part 3 of 12 in the series Medical ComputingIn the first of this series, I tried to persuade you that your computer was human-illiterate, and we defined and discussed usability, memorability, and learnability. In the second, we discussed Tognazzini’s Paradox: how the hardest part of designing an effective program is often what […]

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Tognazinni’s Paradox

This entry is part 2 of 12 in the series Medical Computing

This entry is part 2 of 12 in the series Medical ComputingIn the first of this series, I tried to persuade you that your computer is human-illiterate. We discussed ways that people try to improve this, including usability testing. I introduced you to Alan Cooper’s About Face: The Essentials of User Interface Design (you did […]

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Usability, Learnability, Memorability

This entry is part 1 of 12 in the series Medical Computing

This entry is part 1 of 12 in the series Medical Computing(A version of this series was first published in the newsletter of the Informatics Section of the American College of Emergency Physicians) Those of you who know me (or maybe have just heard about me) know that I am a zealot about user interface […]

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Diversity

This entry is part 3 of 30 in the series Words

This entry is part 3 of 30 in the series WordsRedundancy vs. diversity Redundancy with a stock of identical parts to replace failed components is a standard way to make industrial processes more reliable. For an ED mission-critical computer system, which needs to be up and running 24/7/365, one way to implement this is to […]

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