**Preregistrations**: [2018][1] & [2019][2]
**Questionnaires**: [2018][3] & [2019][4]
**Responses**:
- [2018 raw data (anonymized)][5]
- [2019 raw data (anonymized)][6]
- [Reported barriers in sharing data][7]
- [Representative quotes][8]
**Analysis**:
- [R Code][9]
- [Summary statistics of differences between 2018 and 2019][10]
- [Frequency of all reasons and locations][11]
**Additional info**:
- [GDPR advice for research data][12]
- [A script to extract email address from PDF][13]
**Presentations**
- [A recorded presentation by Chat Wacharamanotham][14]
- [Slides (updated 2021) by Florian Echtler][15]
[1]: https://osf.io/3nvjp
[2]: https://osf.io/gk9em
[3]: https://osf.io/3pxqg/
[4]: https://osf.io/2pm69/
[5]: https://osf.io/ydwzf/
[6]: https://osf.io/3nfpc/
[7]: https://osf.io/6xjmh/
[8]: https://osf.io/axte2/
[9]: https://osf.io/z34xm/
[10]: https://osf.io/u3vn8/
[11]: https://osf.io/up2fa/
[12]: https://osf.io/8ydwx/
[13]: https://osf.io/qaz83/
[14]: https://osf.io/kcpm8
[15]: https://osf.io/rkyn9/
