Belief and Reasoning Biases
Bayesian conservatism
Underweighting new probability information.
What Is Bayesian conservatism?
Bayesian conservatism is a thinking trap where underweighting new probability information.
How It Tricks You
It can make a conclusion feel proven because it fits what already seems true.
Real-World Example
A doctor underreacts to a test result that should shift the odds.
Seen Online As
- The chart looks convincing before I check the sample.
- One number is being asked to carry the whole argument.
- The data point feels cleaner than the data really is.
What To Ask Instead
Have I adjusted enough for the new data?
Related Thinking Traps
Common Situations
Quick FAQ
What is Bayesian conservatism?
Underweighting new probability information.
What is an example of Bayesian conservatism?
A doctor underreacts to a test result that should shift the odds.
How do I spot Bayesian conservatism?
Have I adjusted enough for the new data?