Article Critique

Read the article titled “Association of Coffee Consumption with All-Cause and Cardiovascular Disease Mortality” by Liu et al. published by the Mayo Clinic.

http://www.mayoclinicproceedings.org/article/S0025-6196(13)00885-9/fulltext
1.State the research question addressed in the study.
2.State the dependent variables in the study. (Hint: there are two)
3.What is the independent variable in the study and how is it measured? (What is the operational definition?)
4.What are some possible confounding variables in the study? How did the authors control for them? (Be specific)
5.(Five sentence minimum)

What are the strengths and weaknesses of the study? Do you find the study to be convincing? Why or why not? How do you think this study could have been improved?

1.4 pages

APA

1 Reference