1. What was the main research question?

2. What type of study was done: cross-sectional, longitudinal, experimental, meta-analysis? How do you know this? Explain in detail the METHODS the authors’ used to address the research question. Can this methodology conclusively show cause and effect?

3. What CONCLUSIONS do the authors make? IE What is thought to be predicting what? What do the results suggest overall, according to authors?

4. What might be some limitations of the study? What may be alternative explanations of CAUSE AND EFFECT?