Update protocol.md

Author: alschaffer

docs/protocol.md

@@ -4,6 +4,7 @@
     This section is a work in progress, and will be further developed.
 
 Briefly, pre-specifying your research question and developing a study protocol which outlines your methodology is an important open science principle. There are several benefits to developing a protocol:
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 * It reduces 'researcher degrees of freedom' and minimises the risk of questionable research practices such as ["hypothesising after the results are known" (HARKing)](https://en.wikipedia.org/wiki/HARKing) or [p-hacking](https://en.wikipedia.org/wiki/Data_dredging);
 * It increases replicability by explaining the “why” of each analytic decision (whereas study code only tells you the “what”);
 * It allows you to get feedback and identify problems early on in the process, before writing code;