To do on your own: Open source 1 - you won't be able to read the whole thing, but take a few minutes to read the abstract, and look at the methods section. What did the authors do to gather evidence for their research? We will discuss this as a class. Think about what kind of source this is. Submit these questions https://forms.gle/Pe8ErojHNaLo7jFo7 (~ 5 minutes).