Guidance for Interactive System Designers
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** This book is superceded by a later, better version, details at http://www.frankritter.com/fducs. **
This version is still available in case you are finding it through an old link, and we think some of you are. You would be better getting the other version, this is just a pointer to an older version.
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Any profit from this version on lulu will either be given to LuLu or the State College Community Land Trust.
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The people who use technology must be considered part of the systems that they use. People, in addition to their diversity, have many aspects in common. These characteristics are not all visible or available to system developers without additional study. Understanding the characteristics of users allows designers to create better, safer, more efficient systems. If you understand this approach and the characteristics of users, you understand this book. - From the Preface