PARKing

Definition: PARKing (preregistering after results are known) is defined as the practice where researchers complete an experiment (possibly with infinite re-experimentation) before preregistering. This practice invalidates the purpose of preregistration, and is one of the QRPs ( or, even scientific misconduct) that try to gain only “credibility that it has been preregistered.”

Related terms: HARKing, Preregistration, Questionable Research Practices or Questionable Reporting Practices (QRPs)

Reference: Ikeda et al. (2019) Ikeda et al. (2019) ; Yamada (2018) Yamada (2018)

Drafted and Reviewed by: Qinyu Xiao, Helena Hartmann, Sam Parsons, Yuki Yamada

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