1st Year Cohort programs at SFU Surrey - IAT 432: Design Evaluation

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Usability is Weak Science • Existence Proof vs Risky Hypotheses – If a hypothesis holds in spite of trying to refute it, it is stronger science. • Lack of replic<strong>at</strong>ion – “It’s been done before” -> bias towards new and shiney – Non experts in your subdomain are more likely to think it’s been done before! 12
Most Usability methods try to be objective… Objectivity vs. Subjectivity …when objectivity may not help improve design.
Page 1 and 2: IAT 432 Week 11 Usability Evaluatio
Page 3 and 4: Saul Greenberg • Full Professor i
Page 5 and 6: The would attend conferences… •
Page 7 and 8: … and they noticed something very
Page 9 and 10: What’s wrong with Usability • U
Page 11: • Ideal HCI science: Usability is
Page 15 and 16: • Designer-as-assessor Objectivit
Page 17: Usability devalues early-stage desi
Page 20 and 21: Usability devalues early-stage desi
Page 22 and 23: Usability is a poor predictor for c
Page 24 and 25: If Usability is so harmful, why do
Page 26 and 27: Other Approaches to Design and Eval
Page 28 and 29: • Due Wednesday, April 11 th Assi
Page 30: Lab • This week’s lab cancelled

1st Year Cohort programs at SFU Surrey - IAT 432: Design Evaluation

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