Published in Stories by Mark Rubin on Medium
Author Mark Rubin

Researchers often distinguish between: (1) Exploratory hypothesis tests — unplanned tests of post hoc hypotheses that may be based on the current results, and (2) Confirmatory hypothesis tests — planned tests of a priori hypotheses that are independent from the current results This distinction is supposed to be useful because exploratory results are assumed to be more “tentative” and “open to bias” than confirmatory results.