As usability practitioners and interaction designers, we often have to choose tasks for user-centered design (UCD) activities including storyboarding, paper and medium-fidelity prototyping, usability testing, and walkthroughs. Choosing tasks for various user-centered design activities is a critical activity and sometimes a moral issue for usability practitioners and product designers. It is critical, at least for complex products, because we often have to make usability and quality judgments based on evaluations that tap only a small set of possible tasks. It is a moral issue because our choice of tasks is a source of bias that could affect perceptions of…
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