### Supportive material
__[Click here](https://osf.io/kd26j/wiki/Links/)__, to easily find direct links to materials mentioned in the manuscript.
#### [Preregistration][1]
Our [first](https://osf.io/5r3yp/) (2014-03-19) and [amended preregistration](https://osf.io/98w3h/) (2014-05-10).
#### [Study files](https://osf.io/j86hf/)
To reproduce the study, upload the [`study_file.json`](https://osf.io/j86hf/) to [formr.org](https://formr.org), then upload the [item tables](https://osf.io/kd26j/files/) and include them in the study. Translations of the item tables are [availabe](https://osf.io/kd26j/files/).
#### [Analyses and Results](https://rubenarslan.github.io/ovulatory_shifts)
On the supportive website, all analyses and results are documented in full detail. The website contains far more details and plots than the manuscript can, especially for the robustness checks.
[1]: https://osf.io/98w3h/
