– What was the research question?

– What were the independent variables?

– What was the dependent variable?

– What was the sample size and how was it chosen?

– What was the experimental design and use of control group?

– Were the instruments of measurement shown to be reliable
and valid?

– What data types were included?

– Describe the statistics used, what they were used for, and
the results.

– What were the researchers’ conclusions?

– How did they answer the research question(s)?

– How was error controlled?

– Did you see any concerns with the research study? If so,
what?

Articles:

http://www.ncbi.nlm.nih.gov/pubmed/19538697

http://www.ncbi.nlm.nih.gov/pubmed/16722921