As always, science is just as much about confirming null hypotheses as it is about disproving them. Either way can be equally good science. Having scientific ev

As always, science is just as much about confirming null hypotheses as it is about disproving them. Either way can be equally good science. Having scientific evidence that X happens is much more valuable than having a hypothesis that X happens. And obviously evidence almost never conveys just a single bit of information. This paper is about how and when and where and to what degree X was observed to happen, not only whether X did happen.