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.
[:en]Introduction to Volume 15, Issue 1[:]
[:en] We are delighted to publish an essay by Carol Barnum titled “The State of UX Research.” The author discusses the current trends towards faster, informal research studies. She reviews the current state of UX education and questions whether short UX courses are providing students and professionals with the necessary rigor. She also takes a […] Read More about [:en]Introduction to Volume 15, Issue 1[:]
[:en]Introduction to Volume 14, Issue 4[:]
[:en] Our August 2019 issue starts with an essay from Carol Smith, “Intentionally Ethical AI Experiences.” In this essay, she explains how bias can enter artificial intelligence applications and the important role user experience professionals can play in reducing bias in the AI development steps of content/curation, model training, and maintenance. In addition to the essay, […] Read More about [:en]Introduction to Volume 14, Issue 4[:]
[:en]Comparison of Four TAM Item Formats: Effect of Response Option Labels and Order[:]
[:en] Abstract The purpose of this research was to investigate the effect of manipulating item formats for a revised version of the Technology Acceptance Model (TAM) questionnaire. The TAM has 12 items, six assessing perceived usefulness (PU) and six assessing perceived ease of use (PEU). Its original purpose was to quantify likelihood of technology acceptance, […] Read More about [:en]Comparison of Four TAM Item Formats: Effect of Response Option Labels and Order[:]
Introduction to Volume 14, Issue 2
We are delighted to publish an essay by Sara Czaja titled “Usability of Technology for Older Adults: Where Are We and Where Do We Need to Be.” The author discusses the difficulty of older adults in using information and communication technologies (ICTs), including potential usability barriers. She reviews the work done as part of the […] Read More about Introduction to Volume 14, Issue 2
Introduction to Volume 14, Issue 1
[:en] For our November 2018 issue, we start with an editorial from Jim Lewis, “Is the Report of the Death of the Construct of Usability an Exaggeration?” In this essay, he argues that the construct of usability is not at a dead end as recently suggested in an important paper by Noam Tractinsky, but instead […] Read More about Introduction to Volume 14, Issue 1
Essay: Is the Report of the Death of the Construct of Usability an Exaggeration?
[:en] Mark Twain was undecided whether to be more amused or annoyed when a Journal representative informed him today of the report in New York that he was dying in poverty in London… The great humorist, while not perhaps very robust, is in the best of health. He said: “I can understand perfectly how the […] Read More about Essay: Is the Report of the Death of the Construct of Usability an Exaggeration?
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 […] Read More about Comparison of Item Formats: Agreement vs. Item-Specific Endpoints