Volume 14, Issue 2, February 2019

Introduction to Volume 14, Issue 2, February 2019

Bill Albert and James R. Lewis

Invited Essay: Usability of Technology for Older Adults: Where Are We and Where Do We Need to Be

Sara J. Czaja

We are witnessing two dramatic demographic and social trends: one in population aging and the other is the explosion in technology across most domains of living. In this paper I examine the adoption and uptake of information and communication technologies (ICTs) among older adults, the potential benefits of ICT use, and issues regarding usability of technology. [Read More]

Observed Differences Between Lab and Online Tests Using the AttrakDiff Semantic Differential Scale

Lico Takahashi and Karsten Nebe

Online usability testing has long been of interest to usability engineers and designers. In this study, we conducted a systematic empirical comparison between lab and online testing using AttrakDiff, a validated semantic differential scale that measures pragmatic and hedonic quality of user experience.  [Read More]

Exploring the Boundary Conditions of the Effect of Aesthetics on Perceived Usability

John Grishin and Douglas J. Gillan

A growing body of usability research suggests that the aesthetics of a system affects users’ perceptions of the usability of that system. This study explored the hypotheses that aesthetics contributes disproportionately to judgments of usability, and that this influence of aesthetics on judgments of usability diminishes over time. [Read More]

The Cross-Sequential Approach: A Short-Term Method for Studying Long-Term User Experience

Sari Kujala, Talya Miron-Shatz, and Jussi J. Jokinen

We propose a novel cross-sequential approach to accelerating the collection of user feedback while providing a broad perspective by analyzing samples of users at various stages of service and product experience. [Read More]