To do on your own: Open the sample article (you will have to log in with EID/PW/DUO) and scan it for a few minutes (read the abstract and look at the structure of the article). You won't have time to read the whole thing. See if you can identify the evidence the author used (a methods or design section would help here) and think about what type of article you're looking at. Use Google if you need to to help you find out more about the article.
Answer the following questions, click submit when you're done: