Evaluation

Human-Computer Interaction

Valle Hansen

University of Texas at Austin

Mick McQuaid

University of Texas at Austin

17 Aug 2026

Week ELEVEN

Part VIII of Hornbæk et al. (2025)

Intro

Last week we were in engineering territory: systems, safety, verification and validation. We asked whether a system was built right.

This week’s question: how do we decide whether an interactive system is actually good, and whose judgment counts?

Case Study: The check-in that left a patient behind