> There is the old scientific method which was falsifiable, repeatable, frequentist, and it involved directly observable quantities.<p>> ...<p>> There is now the new scientific method which involves models, paradigm shifts, bayesianism, and it may not require a control variable when measurements are constructed from multiple, indirect observations.<p>This doesn't make much sense to me. How can there be a new scientific method?<p>Shouldn't these somehow boil down to the same thing: hypothesis, experiment, evidence against the null?