Question

Question Completion Status: Match the descriptions with the study type A large group of people are enrolled in a study to investigate A. Prospective Cohort B. # the effects of diet on heart disease. Everyone is free of heart disease at the start of the study and people are followed for.Case control study 10 years to see if disease develops. What study design is C.Retrospective Cohort this? D. RCT E. Cross sectional study C.Researchers wish to investigate the association between complications during Caesarian section delivery and hospital of choice. They recruit a group of 500,000 women in New York City of all ages, ethnicities and social backgrounds and record whether the women have ever had a C-section delivery and the hospital at which they gave birth. What type of study is this? D. There is a new smoking reduction product on the market, oral nicotine inhalers, that researchers wish to test the effectiveness of. They recruit smokers for a study and randomly divide them into two groups. One group receives the oral nicotine inhalers and the other group receives nicotine gum. The researchers measure the number of cigarettes smoked by the individuals in each group for a period of 6 months. What study design is this? An ecological study was done ahl found an association between dietary intake and different types of cancers. Researchers wish to test whether this is a true association. They recruit cancer patients from a hospital and interview them to gather information about their diet. They ask the cancer patients specifically about their consumption of artificial sweeteners. What study design is this? E. 수 B. Researchers wish to explore whether the chemicals used in tire manufacturing increase the risk of death. They access the past employee records of a now closed tire manufacturing plant and categorize the employees into Ewo Click Save and Submit to save and submit.Click Save All Answers to save all answers

Answer 1

1A,Prospective study look forward in time and follow study subjects forward in time.

2C Retrospective study look back in time and look for characteristics or events that happen to study subjects in the past.

3B,In case-control study exposure of individuals in both groups are measured retrospectively by reviewed records

4 E-Cross sectional study,it is based on a sample of individuals from the population and uses surveys to collect data.

5 Randomized controlled trials(RCT) ,experimental studies can be used to establish casual associations between exposures and disease.