Articles by James R. (Jim) Lewis, Ph.D

Dr. Lewis is human factors engineer at IBM, specializing in voice interaction design and usability assessment. He is a past president of the Association for Voice Interaction Design (AVIxD). His books include Practical Speech User Interface Design (2011) and (with Jeff Sauro in 2012/2016), Quantifying the User Experience.

Introduction to Volume 15, Issue 1

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 look […] [Read More]

Introduction to Volume 14, Issue 4

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, this […] [Read More]

Comparison of Four TAM Item Formats: Effect of Response Option Labels and Order

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, using […] [Read More]

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]

Introduction to Volume 14, Issue 1

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 has […] [Read More]