>"Correlation does NOT equal causation" What is an example? Are you implying, that some people think that being tired triggers their stuttering. While others think that being tired improves their fluency instead (because it reduces overthinking)(according to this [new post](https://www.reddit.com/r/Stutter/comments/1crx12x/i_managed_to_stutter_as_little_as_possible_today/))