Scientists plan to study a possible link between the development of arthritis an

Question

Scientists plan to study a possible link between the development of arthritis and dietary factors. Consider the four research designs described below, and match the design with the type of experimental or epidemiological study that it is describing. Scientists interview a large health and past dietary foods thoy usualy ate and they used regularly. The A large group of people with arthritis are divided into twO groups. The members of one Researchers match one person with arthritis to a similar person who does not have arthritis. The scientists collect and analyze information from the subjects, including A research team recrults a group of people about their group of healthy people, and studies them for 10 group are g'ven pils that contain practices inckuding the kinds of the dietary supplement glucosamine with chondroitin and members of the other group are given piis that are placebos During the study, members of years to determine if any which dietary supplements dietary practice is associated with an increased or decreased risk of arthritis. dietary practices of the subjects who have arthritis reach group do not know it they compared to those of subjects are taking the dietary supplement their food choices and use of dietary supplements. who do not have the condition. or the placebo. Retrospective Cohort Study Experimental (Intervention) Study Prospective Cohort Study Case-Control Study

Explanation / Answer

Answer.

Box 1 describes ‘prospective cohort study’

Box 2 matches with ‘ retrospective cohort study’

Box 3 accurately goes with ‘experimental / intervention study’

Box 4 describes ‘case-control study’

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