Cost-Justifying Usability: An Update for the Internet Age

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April 2005



You just know that an improvement of the user interface will reap rewards, but how do you justify the expense and the labor and the time-guarantee a robust ROI!-ahead of time? How do you decide how much of an investment should be funded? And what is the best way to sell usability to others? In this completely revised and new edition, Randolph G. Bias (University of Texas at Austin, with 25 years' experience as a usability practitioner and manager) and Deborah J. Mayhew (internationally recognized usability consultant and author of two other seminal books including The Usability Engineering Lifecycle) tackle these and many other problems. It has been updated to cover cost-justifying usability for Web sites and intranets, for the complex applications we have today, and for a host of products-offering techniques, examples, and cases that are unavailable elsewhere. No matter what type of product you build, whether or not you are a cost-benefit expert or a born salesperson, this book has the tools that will enable you to cost-justify the appropriate usability investment. ·Includes contributions by a host of experts involved in this work, including Aaron Marcus, Janice Rohn, Chauncey Wilson, Nigel Bevan, Dennis Wixon, Clare-Marie Karat, Susan Dray, Charles Mauro, and many others; ·Includes actionable ideas for every phase of the software development process; ·Includes case studies from inside a variety of companies; ·Includes ideas from "the other side of the table," software executives who hold the purse strings, who offer thoughts on which proposals for usability support they've funded, and which ones they've declined.


Introduction: 1. Justifying cost-justifying usability 2. Return on investment for usable user-interface design: Examples and statistics Framework: 3. A basic framework for cost-justifying usability engineering on Web development projects 4. A business case approach to usability 5.Marketing usability 6. Dot coms Organizational and Design Context: 7. Cost-justification of usability engineering: A vendors perspective 8. Practical ROI issues for UCD teams: Considering the impact of social, internal, and external ROI on team credibility, team longevity, and product success 9. Usability science as an independent research service 10. ROI in Human Factors for Web Applications 11. The business case for international user centered design 12. Cost-justification of usability engineering for international Web sites 13. The ROI of accessibility Methods and Approaches: 14. Ethnography/Field research at Microsoft 15. Out of the box: Approaches to good initial interface designs; 16. Keystroke level modeling as a cost-justification tool 17. The RITE method 18. Sample size and user testing how much is enough? 19. Cost-justifying online surveys 20.Cost benefits framework and case studies 21. Want respect? Respect the shareholder: Usability at Sprint 22. Conclusion, wrap-up, next steps


Randolph G. Bias is an associate professor in the University of Texas at Austin School of Information. With a Ph.D. in cognitive psychology from The University of Texas at Austin, Bias spent two decades in industry as a human factors professional, addressing software usability for AT&T Bell Labs, IBM, and then BMC Software where he founded and managed the usability department. Dr. Deborah J. Mayhew is owner and principal of Deborah J. Mayhew & Associates, a consulting firm based in Massachusetts, offering courses and consulting on all aspects of Usability Engineering and user interface design. Clients include American Airlines, AT&T, Ford,Harvard Univeristy, and NASA. Dr. Mayhew received her Ph.D. in Experimental Cognitive Psychology from Tufts University. She is the author of Principles and Guidelines in Software User Interface Design (Prentice Hall), a coeditor of Cost-Justifying Usability (Academic Press), and a contributor to Human Factors and Web Development.


"HCI professionals will repeat quotes with statistics, learn from case studies, and copy chapters for their managers. Thorough & thoughtful, practical & actionable-- readers will be able to put the ideas to work immediately!" -Ben Shneiderman, University of Maryland "Cost-Justifying Usability" delivers much more than the promise of its title. Each chapter is worth the price of admission! I found more useful ideas and creative thinking in this book than I've come across in one place in years. Moreover, the collection of articles goes far beyond what the book title might suggest: it not only offers the definitive treatment of determining ROI for usability, but also provides a complete overview of usability considerations for getting you there. From specific calculations to help you with extending the business case, to introducing ethnography into the product development process, Cost Justifying Usability offers a treasure of gems for every user-centered design professional." -Dominick J. Dellino, Director of User Research and Testing, Washington Mutual
EAN: 9780120958115
ISBN: 0120958112
Untertitel: Sprache: Englisch.
Erscheinungsdatum: April 2005
Seitenanzahl: 640 Seiten
Format: kartoniert
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