I've taken entirely too much Ibuprofen - I've had a lot of babies. Since the sample size of this study is 31 people, I say that my one case is significant and this study is bunk.
That's why you can't rely on a study of 31 people.
That's why you can't rely on a study of 31 people.
Take into account the bias that the negative result (no-correlation) would not pass the bar for publication and you likely have noise.