Thinking Traps

Attention and Perception Biases

Experimenter's bias

Researcher expectations unintentionally shape results.

What Is Experimenter's bias?

Experimenter's bias is a thinking trap where researcher expectations unintentionally shape results.

How It Tricks You

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

Real-World Example

A researcher unintentionally interprets ambiguous results in favor of the hypothesis.

Seen Online As

What To Ask Instead

How can the observation be blinded or checked?

Related Thinking Traps

Common Situations

Quick FAQ

What is Experimenter's bias?

Researcher expectations unintentionally shape results.

What is an example of Experimenter's bias?

A researcher unintentionally interprets ambiguous results in favor of the hypothesis.

How do I spot Experimenter's bias?

How can the observation be blinded or checked?