UX, Psychology, and the Power of 100
summary
Claims that people rarely operate at full attention so design must account for real-world distraction: an evaluation method uses a power of 100 budget subtracting points for TV, notifications and choices to show typical users run at ~40% while product cognitive load sits at ~60%. Uses concrete studies — a reported 40% overnight drop in road accidents, the jam experiment (6 vs 30 choices), judicial leniency after meals — and applies Hick's law plus mental models to guide interaction changes.
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chapters (14)
- 0:00Start
- 9:04Maslow's Hierarchy of Need
- 11:39Stop Doing Surveys To Understand Your User Experience
- 14:16Cognitive Loads
- 20:43Psychology an Interaction Design
- 21:24Search Box
- 22:30How Can Psychology Help
- 24:28Procedural Knowledge
- 24:55The Most Common Password in the World
- 28:51Homepage Design Axiom
- 29:54Language Selector
- 31:02The Redesign Search Box for Wikipedia
- 36:27Ordering a Coffee
- 38:13Mental Models
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