The answer is clear. Hypothesis driven experiment. Drive it into the brains of everyone who might enter the scientific profession, and then, when someone is c

The answer is clear. Hypothesis driven experiment. Drive it into the brains of everyone who might enter the scientific profession, and then, when someone is caught with an experiment driven hypothesis, we don't have to speculate whether or not it was fraud, because they will have known better, by simple virtue of having their credentials, and we can then safely revoke those credentials.