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Cost-Justifying Usability 2nd Edition
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 and guarantee a robust ROI ahead of time? How do you decide how much of an investment should be fund? 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.This book 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. It also includes: actionable ideas for every phase of the software development process; case studies from inside a variety of companies; and, ideas from 'the other side of the table,' and 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.
Contents:
Introduction: 1Justifying cost-justifying usability
2Return on investment for usable user-interface design: Examples and statistics. Framework: 3A 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 vendor's 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 Brinck/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 Mayhew Keystroke level modeling as a cost-justification tool
17 Medlock & Wixon The RITE method
18 Kirakowski Sample size and user testing - how much is enough?
19 Weiss Cost-justifying online surveys
----End-Game Section----
20 Bevan Cost benefits framework and case studies
21 Heppner, Lynch, Kates, & Moritz Want respect? Respect the shareholder: Usability at Sprint
22 Bias Conclusion, wrap-up, next steps
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