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The best thing about this book is its concise, cut-to-the-chase approach when defining usability and ways to measure and improve it. As the author notes, in the old days of computing, documents that attempted to define usability might have over 1,000 rules. The author offers just a handful of guiding principles for creating better software that apply even today. (Published just before the Internet revolution, this book's principles still hold true for Web designers, as well as those who create more traditional applications.)
Throughout this text, the author argues for the benefits of improved software usability. With software use as with all things, time is money and making more efficient interfaces translates into lower personnel costs and more productivity. The book also does a fine job of integrating usability design into the software development process, with guides for planning, working with end users, and running tests with users (whether on videotape or in person). The 50-page bibliography attests to the author's previous research on usability.
For anyone who needs to create better, more efficient software, Usability Engineering can help. This clear and intelligent guide to the science of usability engineering has helped enhance the potential of computers to work with end users more efficiently. In the new century, software developers will undoubtedly seek new advances in usability, in part because of the groundwork laid by books like this one. --Richard Dragan
Topics covered: Usability basics, measuring usability, types of users, history of user interfaces, the usability engineering lifecycle, design techniques, heuristics and hints for improving usability, testing, managing user tests, assessing usability, interface standards, internationalization, and Computer-Aided Usability Engineering (CAUSE) tools.
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Mr. Nielsen, in his book, very aptly points out typical errors and common stumbling blocks of interface design, and presents very convincing arguments and methods for solving these problems. However, strict adherence to Mr. Nielsen's interface design techniques, at the expense of less easily measured human factors, will often result in a sterile and boring product. Both are eminently efficient and usable, but are also wonderful examples of visual blandness -- nearly devoid of the human and aesthetic factors that contributes to a depth of personality and a richness of sensory stimulation.
Although Mr. Nielsen never specifically advocates this, the logical conclusion of his approach is an interface design whose personality and soul have been stripped away in a slavish preference for pure, unencumbered efficiency and usability. Contrary to Mr. Nielsen's examples, the quest for usability should not abrogate the need to avoid ugliness.
For the sake of efficient usability, I wonder if Mr. Nielsen has replaced his impractical, hard-to-maintain backyard lawn with efficient asphalt paving. Or maybe pulled out his expensive, hard-to-clean, dirt collecting, living room carpet and replaced it with an efficient concrete floor. I'm joking of course, but even if Mr. Nielson thinks this way, most do not. Yet, this is the result achieved by many of his user interface examples.
Perhaps on the planet Vulcan where everyone thinks like Mr. Spock, Mr. Nielsen's conclusions and methods might be the eminently rational final word on good interface design. But on Earth the value of his conclusions and usability tests must be weighed against the somewhat hard-to-measure and difficult-to-quantify factors of illogical human personality and perception.
Although Mr. Nielsen's observations, conclusions and suggestions continue to be very valuable in helping to pull interface design towards much needed greater usability and functionality, his mistake seems to be that this is all he sees as being important.
Cory Maylett
I apologize for the format. Lesen Sie weiter...
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