By Randolph G. Bias, Deborah J. Mayhew

ISBN-10: 008045545X

ISBN-13: 9780080455457

ISBN-10: 0120958112

ISBN-13: 9780120958115

You simply comprehend that an development of the consumer interface will gain rewards, yet how do you justify the rate and the hard work and the time-guarantee a powerful ROI!-ahead of time? How do you choose how a lot of an funding could be funded? and what's how one can promote usability to others? during this thoroughly revised and re-creation, Randolph G. Bias (University of Texas at Austin, with 25 years' adventure as a usability practitioner and supervisor) and Deborah J. Mayhew (internationally famous usability advisor and writer of 2 different seminal books together with The Usability Engineering Lifecycle) take on those and plenty of different difficulties. it's been up-to-date to hide cost-justifying usability for websites and intranets, for the complicated functions we have now this day, and for a bunch of products-offering concepts, examples, and instances which are unavailable somewhere else. it doesn't matter what form of product you construct, even if you're a cost-benefit specialist or a born salesclerk, this publication has the instruments that would make it easier to cost-justify the proper usability funding. ·Includes contributions by way of a bunch of specialists excited by this paintings, together with Aaron Marcus, Janice Rohn, Chauncey Wilson, Nigel Bevan, Dennis Wixon, Clare-Marie Karat, Susan Dray, Charles Mauro, and so forth; ·Includes actionable rules for each part of the software program improvement approach; ·Includes case reports from within a number of businesses; ·Includes principles from "the different part of the table," software program executives who carry the handbag strings, who supply strategies on which proposals for usability help they have funded, and which of them they have declined.

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Extra info for Cost-Justifying Usability, Second Edition: An Update for the Internet Age, Second Edition (Interactive Technologies)

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That resolved the issue and she was able to successfully download the document within the time window allocated by the site. She called back to inform the support people of the resolution to the issue and they were pleased and thankful for the feedback. Other than that one step, the site had seemed straightforward and usable. This example highlights the critical importance of making the parts of the user experience that a Web site has control over as usable as possible and then being prepared to troubleshoot sources of failure outside of the Web site’s control that nonetheless have a large impact on the user’s overall experience and satisfaction with a Web site.

Bringing a product to market 6 months late may cost companies 33% of after-tax profits (House and Price, 1991). Completing a product on time with higher quality was demonstrated to provide a significant ROI in usability (Karat, 1989; Wixon and Jones, 1992). Members of the HCI community began to focus on the cost benefit of particular HCI methods and tools during the early 1990s as well. Jakob Nielsen held a workshop at the ACM SIGCHI CHI’92 conference on usability inspection methods. The workshop became the basis of a book that included research by many authors on the comparative effectiveness and cost of different discount usability methods (Nielsen and Mack, 1994).

1. 1 Overall Value of Implementing User Interface Practices Because of the number of well-documented examples of cost savings with usability engineering, sound statistics can be applied generally to UI development. These statistics serve as benchmarks. Value Proposition: High Return on Savings and Product Usability Some Statistics “The rule of thumb in many usability-aware organizations is that the costbenefit ratio for usability is $1 : $10–$100. Once a system is in development, correcting a problem costs 10 times as much as fixing the same problem in design.

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