Articles by Sari Kujala

Dr. Kujala is a Research Fellow at the Department of Computer Science, Aalto University, Finland. Her background is in psychology and cognitive science. In addition, she has received PhD in human-computer interaction. Her research interests focus on user-centered design, user involvement, long-term user experience, eHealth.

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

Abstract 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. User experience changes over time as the relationship between user and product evolves. Understanding temporal changes is important for designing positive long-term user […] [Read More]

Experiencing Visual Usability and Aesthetics in Two Mobile Application Contexts

Abstract Visual attractiveness is increasingly seen as an essential factor in perceived usability, interaction, and overall appraisal of user interfaces. Visual elements in technological products are capable of evoking emotions and affective responses in users. In this paper, we focus on the role of visual usability and visual aesthetics in an experimental research setup. This […] [Read More]