Memory Biases

Peak-end rule

Remembering an experience by its most intense moment and ending.

What Is Peak-end rule?

Peak-end rule is a thinking trap where remembering an experience by its most intense moment and ending.

How It Tricks You

It can make a reconstructed memory feel like a clean recording.

Real-World Example

A restaurant visit feels bad because dessert took forever, even though the meal was good.

Seen Online As

• The ending was awful, so the whole experience was awful.
• One amazing moment made the entire trip feel better than it was.
• I mostly remember the worst part and how it ended.

What To Ask Instead

What happened across the full experience?

Related Thinking Traps

• Availability heuristic
• Availability cascade
• Recency bias
• Rosy retrospection

Common Situations

• Thinking Traps Online

Quick FAQ

What is Peak-end rule?

Remembering an experience by its most intense moment and ending.

What is an example of Peak-end rule?

A restaurant visit feels bad because dessert took forever, even though the meal was good.

How do I spot Peak-end rule?

What happened across the full experience?