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

1.
empírico, experimental
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.
El estudio proporcionó una fuerte evidencia empírica de la eficacia del nuevo fármaco.
•
His conclusions were based on empirical data collected over many years.
Sus conclusiones se basaron en datos empíricos recopilados durante muchos años.