And while your're at it, I suggest taking the Bayesian approach for the criterion of a scientific method, where falsification is a particular (and simplified) case of Bayesian reasoning.
A great introduction may be found at [0], if one is already well versed in Bayes theorom, then an excerpt [1] should be enough.
http://www.amazon.com/Out-Of-Error-Critical-Rationalism/dp/0...