Probability and Statistical Biases
Observer bias
Observer expectations influence measurement.
What Is Observer bias?
Observer bias is a thinking trap where observer expectations influence measurement.
How It Tricks You
It can make noisy, incomplete, or poorly framed data feel more meaningful than it is.
Real-World Example
A reviewer looking for errors finds more in the disliked proposal.
Seen Online As
- The fast interpretation is doing more work than the evidence.
- The claim feels obvious before the check question is asked.
- A shortcut is making the judgment feel more certain than it is.
What To Ask Instead
Can the observation be independently checked?
Related Thinking Traps
Common Situations
Quick FAQ
What is Observer bias?
Observer expectations influence measurement.
What is an example of Observer bias?
A reviewer looking for errors finds more in the disliked proposal.
How do I spot Observer bias?
Can the observation be independently checked?