Noun
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empirical evidence (uncountable)
Information (to support or refute a theory) supported by scientific experimentation or statistical analysis, involving testable observations made using the physical senses or using instruments which extend the senses.
History is replete with examples of what happens when any group of authorities do not have to answer to empirical evidence but are free to define truth as they see fit. None of the examples has a happy ending. Why should it be otherwise with therapy? Robert Todd Carroll
The disparagement of empirical evidence in favor of a metaphysical world of illusion has its origin in the conflict between the emancipated individual of bourgeois society and his fate within that society. Max Horkheimer
There is a rumour going around that I have found God. I think this is unlikely because I have enough difficulty finding my keys, and there is empirical evidence that they exist. Terry Pratchett
No one has the right to destroy another person's belief by demanding empirical evidence. Ann Landers
In other words, the fact that the criterion we happen to use has a fine ancestry of highbrow statistical theorems does not justify its use. Such justification must come from empirical evidence that it works. Walter A. Shewhart
There is still zero empirical evidence that anthropogenic production of CO is making any measurable contribution to the world's present warming trend. Alexander Cockburn