empirical evidence

English

Noun

empirical evidence (uncountable)

1. 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.
   • 2017 December 22, NATALIE WOLCHOVER, “String Theory”, in the Atlantic‎^[1]:

     String theory is considered the leading “theory of everything,” but there’s still no empirical evidence for it.