About

Authors

Affiliations

Sara Lil Middleton

LMU Open Science Center

Malika Ihle

LMU Open Science Center

Published

January 29, 2026

Contributors

This site was authored by Sara Lil Middleton, and edits/contributions were made by Malika Ihle.

Licenses

The overall project is available under the CC BY-SA 4.0 license found at LICENSE; all code without any narrative text is also (at your option) available under the CC0 1.0 Universal license found at LICENSE-CODE.

Why two licenses? The CC BY-SA 4.0 license is for the content of the website, while the CC0 1.0 Universal license is for the code and configuration files. This is a common practice for websites that include code snippets and other content that may be reused in other projects, particularly because the CC BY-SA 4.0 license is not intended to be used with software.

Notes

This tutorial was primarily written in 2026 using R version 4.5.1. Major changes to R can be found at the R website for the most up-to-date information, and to confirm that our tutorial is not out-of-date.

Tutorial Template Quarto Extension

This tutorial was written using the lmu-osc/tutorial-template Quarto extension (Callahan 2026).

Callahan, Patrick. 2026. LMU Open Science Center Tutorial Template: A Quarto Extension. https://doi.org/10.5281/zenodo.21263721.

How to Cite

To cite this tutorial, please refer to the project’s CITATION.cff file.

Citation

BibTeX citation:

@online{lil_middleton2026,
  author = {Lil Middleton, Sara and Ihle, Malika},
  title = {Preregistration: The What, Why and How?},
  version = {0.0.1},
  date = {2026-01-29},
  url = {https://lmu-osc.github.io/preregistration-tutorial/},
  doi = {DOI HERE},
  langid = {en}
}

For attribution, please cite this work as:

Lil Middleton, Sara, and Malika Ihle. 2026. “Preregistration: The What, Why and How?” Version 0.0.1. LMU Open Science Center, January 29. https://doi.org/DOI HERE.

---
title: "About"
date: 2026-01-29
citation:
  type: "webpage"
  title: "Preregistration: the what, why and how?"
  container-title: "LMU Open Science Center"
  url: https://lmu-osc.github.io/preregistration-tutorial/
  doi: "DOI HERE"
  version: 0.0.1
author:
  - name: Sara Lil Middleton
    roles: [conceptualization, data curation, formal analysis, investigation, methodology, project administration, resources, validation, visualization, writing - original draft, writing - editing & review]
    affiliation:
      - id: osc
        name: LMU Open Science Center
        ror: https://ror.org/05591te55
        isni: 000000041936973X
    orcid: 0000-0001-5307-8029
  - name: Malika Ihle
    roles: [conceptualization, supervision, writing - editing & review]
    affiliation:
      - name: LMU Open Science Center
        ror: https://ror.org/05591te55
    orcid: 0000-0002-3242-5981
google-scholar: true
---

## Contributors

This site was authored by Sara Lil Middleton, and edits/contributions were made by Malika Ihle.

## Licenses

The overall project is available under the [**CC BY-SA 4.0**](https://creativecommons.org/licenses/by-sa/4.0/) license found at [LICENSE](LICENSE.md); all code without any narrative text is also (at your option) available under the [**CC0 1.0 Universal**](https://creativecommons.org/publicdomain/zero/1.0/) license found at [LICENSE-CODE](LICENSE-CODE.md).

Why two licenses? The CC BY-SA 4.0 license is for the content of the website, while the CC0 1.0 Universal license is for the code and configuration files. This is a common practice for websites that include code snippets and other content that may be reused in other projects, particularly because the CC BY-SA 4.0 license is not intended to be used with software.

## Notes

This tutorial was primarily written in 2026 using R version 4.5.1. Major changes to R can be found at the [R website](https://cran.r-project.org/) for the most up-to-date information, and to confirm that our tutorial is not out-of-date.

## Tutorial Template Quarto Extension

This tutorial was written using the [`lmu-osc/tutorial-template`](https://github.com/lmu-osc/tutorial-template) Quarto extension [@callahan2026].

::: {#refs}
:::

## How to Cite

**To cite this tutorial, please refer to the project's [CITATION.cff](CITATION.cff) file.**