Evidence standardWe only say
We only say
what holds up.
The rules behind every line on this site and in our apps.
What we will not claim
Five lines we never cross.
- NeverThat an app raises your IQ
- NeverThat it prevents or reverses decline
- NeverThat it treats any condition
- NeverGuaranteed real-world results
- NeverInvented numbers, studies or reviews
What we do instead
Four things we always do.
- AlwaysName the skill a game works on
- AlwaysCite the research, limits included
- AlwaysShow your own progress, in the app
- AlwaysHold back anything not yet verified
$2MPaid in 2016 by a leading brain-training company to settle US FTC charges over unsupported claims. Source
Why it matters
Our category has a history of overpromising. We chose restraint.
The process
How a claim reaches the site.
- DraftSomeone writes a line
- SourceA real citation, or none
- WordingChecked against our rules
- LiveIt goes on the site
No sourceThe line is removed, not softened