36 laws and heuristics
The laws and heuristics that decide how an interface feels to use. Try each one before you read about it.
Waiting
8 laws
Two identical durations, and which one of them felt shorter.
Optical
6 laws
Figures that measure equal and refuse to look it.
Gestalt
5 laws
What your eye grouped before you decided anything.
Memory
6 laws
What survived, and where in the list it was sitting.
Judgement
6 laws
The same facts, arranged to get a different answer out of you.
Interaction
5 laws
Controls you operate, and how their shape changes the way you use them.