On The Relationship Between Theory And Experiment

A theory is a set of propositions or beliefs that is used to account for or explain a particular phenomena. However, multiple theories can (and often are) proposed to account for a given phenomena, which makes being able to distinguish between competing theories extremely important.

But how are we to choose between competing theories? Presumably, there is one theory that is better than the others, which is the one we should select. One possibility is to simply accept whichever theory appears...