empirical
US /emˈpɪr.ɪ.kəl/
UK /emˈpɪr.ɪ.kəl/

1.
empirico, sperimentale
based on, concerned with, or verifiable by observation or experience rather than theory or pure logic
:
•
The study provided strong empirical evidence for the effectiveness of the new drug.
Lo studio ha fornito forti prove empiriche dell'efficacia del nuovo farmaco.
•
His conclusions were based on empirical data collected over many years.
Le sue conclusioni si basavano su dati empirici raccolti nel corso di molti anni.