Quantifying the User Experience: Practical Statistics for User Research

Sauro, Jeff; Lewis, James R

ISBN 10: 0123849683 / ISBN 13: 9780123849687

Editore: Morgan Kaufmann, 2012

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Dati bibliografici

• Titolo: Quantifying the User Experience: Practical Statistics for User Research
• Editore: Morgan Kaufmann
• Data di pubblicazione: 2012
• Lingua: Inglese
• ISBN 10: 0123849683
• ISBN 13: 9780123849687
• Rilegatura: Brossura
• Condizione: VeryGood

Descrizione articolo

Riassunto

You're being asked to quantify usability improvements with statistics. But even with a background in statistics, you are hesitant to statistically analyze the data, as you may be unsure about which statistical tests to use and have trouble defending the use of the small test sample sizes associated with usability studies.

The book is about providing a practical guide on how to use statistics to solve common quantitative problems arising in user research. It addresses common questions you face every day such as: Is the current product more usable than our competition? Can we be sure at least 70% of users can complete the task on the 1st attempt? How long will it take users to purchase products on the website? This book shows you which test to use, and how provide a foundation for both the statistical theory and best practices in applying them. The authors draw on decades of statistical literature from Human Factors, Industrial Engineering and Psychology, as well as their own published research to provide the best solutions. They provide both concrete solutions (excel formula, links to their own web-calculators) along with an engaging discussion about the statistical reasons for why the tests work, and how to effectively communicate the results.

*Provides practical guidance on solving usability testing problems with statistics for any project, including those using Six Sigma practices

*Show practitioners which test to use, why they work, best practices in application, along with easy-to-use excel formulas and web-calculators for analyzing data

*Recommends ways for practitioners to communicate results to stakeholders in plain English

Informazioni sull?autore

Jeff Sauro is a six-sigma trained statistical analyst and founding principal of Measuring Usability LLC. For fifteen years he's been conducting usability and statistical analysis for companies such as PayPal, Walmart, Autodesk and Kelley Blue Book or working for companies such as Oracle, Intuit and General Electric. Jeff has published over fifteen peer-reviewed research articles and is on the editorial board of the Journal of Usability Studies. He is a regular presenter and instructor at the Computer Human Interaction (CHI) and Usability Professionals Associations (UPA) conferences. Jeff received his Masters in Learning, Design and Technology from Stanford University with a concentration in statistical concepts. Prior to Stanford, he received his B.S. in Information Management & Technology and B.S. in Television, Radio and Film from Syracuse University. He lives with his wife and three children in Denver, CO.