preregistration

noun

1. (countable, uncountable)An early registration, before the normal or traditional time, as with early online check-in at hotels.

   “There is no charge for participation but pre-registration is necessary since space is limited.”

2. (countable, uncountable)Registration (of a study design) before a clinical trial (or any other type of scientific experiment) begins, for methodologic and thus epistemologic rigor.

adj

1. (not-comparable)Before registration.

   “a preregistration check”

2. (not-comparable)Pertaining to preregistration (of scientific trials or other experiments).