Sort the Study Design by the Question

Sort each design description by its sampling logic. Cohort design Case-control design Cross-sectional design Randomized trial Start with exposed and unexposed cleaners, then compare new dermatitis over 6 months Select workers with dermatitis and matched workers without dermatitis, then compare prior solvent use Survey all staff this week for current stress level and current shift pattern Randomly assign units to new glove training or usual practice, then compare injury incidence Use past employment records to reconstruct exposure groups and follow sickness absence records Recruit rare disease cases from clinics and controls from the same source population Measure vaccination status and…

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