If one cannot conceive of any evidence that would refute psychological egoism, what does this suggest about the theory?

Question

Quizplus · Accepted Answer

If one cannot conceive of any evidence that would refute a theory, it suggests that the theory is not falsifiable and thus not being held or evaluated rationally. A theory should be open to potential refutation to be considered scientifically or logically sound.

If One Cannot Conceive of Any Evidence That Would Refute