What do you see as the strengths of how this study was done?
What limitations or weaknesses were mentioned by the authors?
What limitations do you see (if any) that they did not mention?
What suggestions did the authors make for future research on the topic?
Do you think another approach might be better for the research question than the research design and methods that were used in this study? If so, what other methods would you consider?
What would you recommend for a research question and methods for a follow-up study on this topic?