Based on observation, experiment, or direct evidence rather than theory or pure logic.

From Greek empeirikos, experienced, from empeiria, experience, via Latin empiricus.

evidence-based observed experimental factual
theoretical speculative conjectural hypothetical
"Sound policy demands empirical evaluation, yet many schemes are scaled up without rigorous impact assessment."

A workhorse term across GS2, GS3, and GS4 answers on evidence-based policy and scientific temper. Use it to argue for data-driven governance, for example, 'empirical evidence from pilot districts should precede a national rollout.'

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