Thinking Traps

Attention and Perception Biases

Observer-expectancy effect

Expectations influence what an observer notices or records.

What Is Observer-expectancy effect?

Observer-expectancy effect is a thinking trap where expectations influence what an observer notices or records.

How It Tricks You

It can make what stands out feel like the whole picture.

Real-World Example

A coach notices improvement more in the player they expect to improve.

Seen Online As

What To Ask Instead

What result am I expecting to see?

Related Thinking Traps

Common Situations

Quick FAQ

What is Observer-expectancy effect?

Expectations influence what an observer notices or records.

What is an example of Observer-expectancy effect?

A coach notices improvement more in the player they expect to improve.

How do I spot Observer-expectancy effect?

What result am I expecting to see?