What is Preregistration?
When you preregister your research, you're simply committing to your plan in advance, before you gather data. Preregistration separates hypothesis-generating (exploratory) from hypothesis-testing (confirmatory) research. Both are important, but the same data cannot be used to generate and test a hypothesis, which can happen unintentionally and reduce the clarity and quality of your results. Removing these potential conflicts through planning improves the quality and transparency of your research, helping others who may wish to build on it.
For additional insight and context, you can read The Preregistration Revolution.
Watch a quick overview video here.