Full Idea
Once we move beyond investigating correlations between observables the question of what does or should guide our choice between alternative explanatory accounts becomes problematic.
Gist of Idea
The real problem of science is how to choose between possible explanations
Source
W.H. Newton-Smith (The Rationality of Science [1981], IX.2)
Book Reference
Newton-Smith,W.H.: 'The Rationality of Science' [RKP 1981], p.211