Reporting bias
Only some outcomes or facts are reported.
What Is Reporting bias?
Reporting bias is a thinking trap where only some outcomes or facts are reported.
How It Tricks You
It can make noisy, incomplete, or poorly framed data feel more meaningful than it is.
Real-World Example
A company highlights favorable survey results and leaves out weak ones.
Examples in Daily Life
Hearing only the dramatic side effects people chose to discuss while uneventful experiences remain unreported.
A project update highlights completed milestones but omits delayed or abandoned work.
A thread collects striking success stories without showing how many attempts produced no result.
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.
Reporting bias vs. Publication bias
Publication bias is the tendency for certain studies, often positive or striking ones, to be published. Reporting bias also includes selective outcomes, facts, or analyses within the material that is reported.
How To Reduce Reporting bias
- Ask what outcomes were measured but not shown.
- Look for a preregistered plan, full table, or complete denominator.
- Compare the headline result with omissions, dropouts, and unfavorable findings.
What To Ask Instead
What is missing from the report?
Related Thinking Traps
Common Situations
Related Reading
Quick FAQ
What is Reporting bias?
Only some outcomes or facts are reported.
What is an example of Reporting bias?
A company highlights favorable survey results and leaves out weak ones.
How do I spot Reporting bias?
What is missing from the report?
How can I reduce Reporting bias?
Ask what outcomes were measured but not shown. Look for a preregistered plan, full table, or complete denominator. Compare the headline result with omissions, dropouts, and unfavorable findings.