46. Designing = visualize assumptions
Assumptions need to be investigated whether they
are true (or not)
LEAN UX
47. How to validate?
Quantitative tests Qualitative tests
What?
Prove
Statistically significant
Many users
Minimal interaction – A/B testing
Why?
Improve
What needs fixing
Few users
Interactive observation – live testing
48. Qualitative – live usability testing
10 test users
• 30-55 years
• driver’s license and car
Setup
• 2 test scenarios
• recording audio and movements on screen
• searching for issues - difficulties - improvements
64. Contact us
De Regenboog 11
2800 Mechelen
Belgium
www.higroup.com
+32 (0)15 40 01 38
Follow us
Human Interface Group
@higroup
Human Interface Groupjohan.verhaegen@higroup.com
Thank you!