What is the aggregate unit? What are inclusion and exclusion criteria? Were they appropriate? How were demographics and other characteristics of units described? What was sample size?

Study (author, date):

Research Question or hypothesis (What is it? Clearly stated?):

Study Design – describe what was done and how it was conducted:

‘Subjects’ – What is the aggregate unit? What are inclusion and exclusion criteria? Were they appropriate? How were demographics and other characteristics of units described? What was sample size?):

Exposure(s) or X-axis variable (What was the exposure or exposures of interest? How assessed? Time frame?)

Outcome(s) or Y-axis variable (What was the outcome of interest? How assessed? Time frame?)

Covariables or Confounders (Were they considered or described in the narrative/analyses? Which ones? Are any logical ones missing?):

Findings and Conclusions (What were they? Statistical significance? Do results have applicability beyond study population? Were author conclusions supported by results? Ecological fallacy?):