Study
CS-312 route
Unit 2 · Lesson 4 of 5 12 min

Mental Models and Norman's Seven Stages of Action

Every user carries a private theory of how the system works, and the gap between that theory and reality is where frustration lives.

What this unit covers

Unit 2: Human Factors in Interface Design

  1. 1 Human Perception and the Gestalt PrinciplesYour eyes decide what belongs together long before your brain starts reading the labels. · 11 min
  2. 2 Memory, Attention and Cognitive LoadWorking memory is a tiny desk, and every interface either clears space on it or piles more on top. · 12 min
  3. 3 The Model Human Processor, Fitts' Law and the Hick–Hyman LawPeople are not computers, but a few simple equations predict surprisingly well how fast they point and choose. · 13 min
  4. 4 Mental Models and Norman's Seven Stages of ActionEvery user carries a private theory of how the system works, and the gap between that theory and reality is where frustration lives. · 12 min
  5. 5 Human Error: Slips, Lapses and MistakesMost "user errors" are design errors wearing a disguise. · 12 min