Peter Norvig personal blog
Warning Signs in Experimental Design and Interpretation (2007)
When an experimental study states "The group with treatment X had significantly less disease ( p = 1%)", many people interpret this statement as being equivalent to "there is a 99% chance that if I do treatment X it will prevent disease." This essay explains why these statements are not equivalent. For such an…
- Points
- 107
- HN comments
- 33
- Submissions
- 2
- Cited by
- 18 commenters
Science & SpaceMath & Algorithms2019
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jan 7, 2019 | Warning Signs in Experimental Design and Interpretation (2007) by chollida1 | 107 | 12 |
| Apr 16, 2014 | Warning Signs in Experimental Design and Interpretation (2007) by SatvikBeri | 93 | 21 |
Cited in comments
Linked from 237 Hacker News comments by 18 different people, from Dec 2008 to Sep 2025.
Most recent:
- SkyMarshal · Sep 18, 2025
- stiff · Jul 31, 2022
- SkyMarshal · Dec 1, 2021
- pjmorris · Jun 22, 2021
- SkyMarshal · Feb 4, 2021
- lionhearted · Nov 28, 2020
