From Surf Wiki (app.surf) — the open knowledge base

Observational equivalence

Quality 0.00 · 0 views · Updated 10 days ago

Observational equivalence is the property of two or more underlying entities being indistinguishable on the basis of their observable implications. Thus, for example, two scientific theories are observationally equivalent if all of their empirically testable predictions are identical, in which case empirical evidence cannot be used to distinguish which is closer to being correct; indeed, it may be that they are actually two different perspectives on one underlying theory.