A way to avoid the file drawer effect by recording a statement before starting an experiment to specify the hypothesis being tested and which statistical technique will be used. This forces justification of the reasons for any post-hoc hypothesis. It is standard practice in many areas of science, and becoming so in HCI.
Also used in hcistats2e: Chap. 8: page 91; Chap. 9: page 105; Chap. 15: pages 187, 188
Also known as: pre-register
Used in glossary entries: file drawer effect, Human–Computer Interaction, post-hoc hypothesis