Primary Source:Sleep Duration Midday Napping and Sleep Quality and Incident Stroke, the dongfeng-tongji cohort

New Article:Sleeping 9 Hours a Night May Raise Stroke Risk, by Nicholas Bakalar

1) Given the information in the primary source, do you think the title of the press article is appropriate? Explain why it is, or suggest alternatives with justifications.

2) State up to two pieces of misrepresentation in the newspaper article and explain why. Suggest corrections.

3) If you could add a short paragraph to the newspaper article to give more information from the study, what would you say?

4) If the main finding involves a test of hypothesis, what is the null hypothesis for that test? Do they have sufficient evidence to reject that null hypothesis?

5) Can you think of any potential confounder that the researchers did not control for in the study? If yes, explain briefly why it might be a confounder.

6) Are there sources of potential bias or imprecision in this study? Have these been acknowledged by the researchers?

7) In view of questions 5 and 6, to what extent can the findings be generalized to the population of interest?

8) In addition to the questions above, feel free to add anything else which might demonstrate your learning in this project.

*Note that some questions may not apply to the study.