Preregistration: Definition, Advantages, Disadvantages, and How It Can Help Against Questionable Research Practices

Angelos Miltiadis Krypotos*, Gaetan Mertens, Irene Klugkist, Iris M. Engelhard

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

Questionable research practices (QRPs), such as p-hacking (i.e., the inappropriate manipulation of data analysis to find statistical significance) and post hoc hypothesizing, are threats to the replicability of research findings. One key solu tion to the problem of QRPs is preregistration. This refers to time-stamped docu mentation that describes the methodology and statistical analyses of a study before the data are collected or inspected. As such, readers of the study’s report can evalu ate whether the described research is in line with the planned methods and analyses or whether there are deviations from these (e.g., analyses performed so that the research hypotheses is confirmed). Here, we aim to describe what preregistration entails and why it is useful for psychology research. In this vein, we present the key elements of a sufficient preregistration file, its advantages as well as its disadvan tages, and why preregistration is a key, yet partially insufficient, solution against QRPs. By the end of this chapter, we hope that readers are convinced that there is little reason not to preregister their research.

Original languageEnglish
Title of host publicationAvoiding Questionable Research Practices in Applied Psychology
EditorsWilliam O'Donohue, Akihiko Masuda, Scott Lilienfeld
Place of PublicationCham
PublisherSpringer Nature
Chapter15
Pages343-357
Number of pages15
Edition1
ISBN (Electronic)978-3-031-04968-2
ISBN (Print)978-3-031-04967-5
DOIs
Publication statusPublished - 1 Jan 2022

Keywords

  • Clinical science
  • Psychological science
  • Preregistration
  • Questionable research practices

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