Before revision: HARKing may occur when a researcher tests an a priori hypothesis but then omits that hypothesis from their research report after they find out the results of their test; inappropriate forms of post hoc analysis then may lead to a post hoc hypothesis.
After revision: and/or post hoc theorizingHARKing may occur when a researcher tests an a priori hypothesis but then omits that hypothesis from their research report after they find out the results of their test; inappropriate forms of post hoc analysis then may lead to a post hoc hypothesis.