Articles by James R. (Jim) Lewis, Ph.D
Dr. Lewis is a Distinguished User Experience Researcher at MeasuringU. He has published influential papers on the assessment of perceived usability and sample size estimation for usability studies and has product experience in the design and evaluation of user interfaces (graphical, spoken, mobile), including having been the lead interaction designer for the product widely regarded as the first smart phone, the Simon. He is on over 90 US patents and has over 100 publications. His five books include Practical Speech User Interface Design and, with Jeff Sauro, Quantifying the User Experience and Surveying the User Experience. In 2021 he was inducted into the Academy of Medicine, Engineering, and Science of Florida.
Essay: Is the Report of the Death of the Construct of Usability an Exaggeration?
Leider ist der Eintrag nur auf English verfügbar. [(English) Read More]
Comparison of Item Formats: Agreement vs. Item-Specific Endpoints
Abstract The current study was an investigation of the extent to which items constructed with an agreement format were affected by acquiescence bias relative to responses to a matched set of items designed with item-specific formats. If an acquiescence bias existed, the expectation was that the magnitude of responses to agreement items would be consistently […] [(English) Read More]
Introduction to Volume 13, Issue 4
We are delighted to publish an editorial by Marc Hassenzahl titled “A Personal Journey Through User Experience.” The author explores the relationship between function, beauty, and pleasure in product design from a historical perspective. In his essay, he argues that many in the usability community have historically neglected the importance of hedonics in our research […] [(English) Read More]
Introduction to Volume 13, Issue 3
For our May 2018 issue, we start with an invited essay from Jeff Kelley on the origins of the Wizard of Oz (WoZ) prototyping methodology in the lab directed by one of the fathers of modern human factors engineering—Alphonse Chapanis. Widely regarded as the originator of the WoZ method, in his essay, “Wizard of Oz […] [(English) Read More]
Item Benchmarks for the System Usability Scale
Abstract From humble beginnings, the SUS has become a valuable tool in the toolkits of usability and user experience practitioners and researchers. We have developed regression equations that compute benchmarks for SUS items based on an overall SUS score. A review of the SUS literature on published benchmarks for the means of overall SUS scores […] [(English) Read More]
Introduction to Volume 13, Issue 2
We are delighted to publish an editorial by Elizabeth Rosenzweig, Aaron Nathan, Nicholas Manring, and Tejaswini Rao Racherla titled “Creating a Culture of Self- Reflection and Mutual Accountability.” The authors explore the topic of bias in user research, with a particular focus on UX professionals evaluating their own designs. They argue that potential bias can […] [(English) Read More]
Introduction to Volume 13, Issue 1
For our November 2017 issue, we start with an invited essay from Bill Gribbons on “Is It Time to Drop the ‘U’ (From UX)?” In this thoughtful and provocative contribution, he argues for and considers the potential consequences of changing the way we refer to our field—specifically, changing from “User Experience” to “Experience Design.” In […] [(English) Read More]