Category Archives: Introduction to HCI and Usability

Remote Control Anarchy

Summary: The six remote controls required for a simple home theater illustrate the problems caused by complexity and inconsistency in user interfaces. I’m frustrated by how difficult it is to watch a movie on my TV. It ought to be … Continue reading

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Set Measurable Usability Goals

Measurable Usability Goals A measurable usability goal is the definition of successful usability on your site for a specific set of users doing a specific task. Example You are building a Web application for owners of small businesses to pay … Continue reading

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First Rule of Usability? Don’t Listen to Users

Summary: To design an easy-to-use interface, pay attention to what users do, not what they say. Self-reported claims are unreliable, as are user speculations about future behavior. In past years, the greatest usability barrier was the preponderance of cool design. … Continue reading

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User-centred design

User-centered design (UCD) is an approach to design that grounds the process in information about the people who will use the product. UCD processes focus on users through the planning, design and development of a product. An International Standard There … Continue reading

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Usability metrics

Summary: Although measuring usability can cost four times as much as conducting qualitative studies (which often generate better insight), metrics are sometimes worth the expense. Among other things, metrics can help managers track design progress and support decisions about when … Continue reading

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Usability costs and benefits

Summary: Development projects should spend 10% of their budget on usability. Following a usability redesign, websites increase desired metrics by 135% on average; intranets improve slightly less. Ease of use doesn’t come from wishful thinking. It comes from conducting systematic … Continue reading

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Usability

Usability 101: Introduction to Usability Summary: How to define usability? How, when, and where can you improve it? Why should you care? This overview answers these basic questions. This is the article to give to your boss or anyone else … Continue reading

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