Complete Table 4.1 to show the relative strengths and limitations of the main study designs, scoring each one on a scale from 1 = Poor (e.g. not good to investigate a rare disease or very expensive)...

Complete Table 4.1 to show the relative strengths and limitations of the main study designs, scoring each one on a scale from 1 = Poor (e.g. not good to investigate a rare disease or very expensive) to 5 = Excellent (e.g. very good to investigate a rare exposure or very quick to do).

Table 4.1