Quick, name a difference between top researchers and mediocre researchers! Ok, lots of potential answers to this one, but here's my favorite: top researchers present pictures that very clearly show their main results. Mediocre/lazy researchers present tables that people can barely see much less understand.
But how do you present a picture, let's say--a bar chart, while at the same time showing how confident we should be in any differences? David McKenzie and, more recently, Benjamin Daniels, have the answer for us: Add standard error bars.
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