The psychology behind the pixels
Understand people.
Design with intention.
Twelve useful lenses for looking at an interface. Explore the idea, question the assumptions, and bring it back to your own work.
12 principles / Always in contextDecision-making
Hick’s Law
Make the next decision easier to see.
Interaction
Fitts’s Law
Make important actions easier to reach.
Interaction
Jakob’s Law
Let familiar patterns do some of the work.
Memory
Miller’s Law
Organize information into meaningful chunks.
Experience
Peak-End Rule
Care for the moments people take away.
Memory
Serial Position Effect
Order influences what stays in memory.
Attention
Von Restorff Effect
Give contrast a clear purpose.
Experience
Aesthetic-Usability Effect
Visual care shapes perceived ease.
Interaction
Doherty Threshold
Keep feedback close to the action.
Motivation
Goal-Gradient Effect
Make real progress visible.
Decision-making
Tesler’s Law
Decide who should do the hard work.
Memory
Zeigarnik Effect
Help people return to unfinished work.