Is There a False Positive?

The replication crisis is the failure to replicate results in scientific studies. If you make a claim that coffee is beneficial for health, and you have some way of quantifying that, then what I could do was take your description of the experiment, rerun your experiment, and try to see if they observed the same thing. And so according to the theory, the theory itself, if you correctly apply the statistical theory, some percentage of the conclusions are going to be false. But we'll talk about that in a bit.