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QUESTION 19 Q19. Identify the main feature that differentiates case-control studies from cohort studies. O Case-control studies are retrospective, while cohort studies are always prospective O Randomization can be used in a cohort study, but can't be used in a case-control study O Case-control studies select subjects and group them based on disease status, but cohort studies select and group subjects based on exposure status. O Cohort studies aim to test associations, but case-control studies aim to only document the frequency of risk factors. QUESTION 20 Q20. The primary principle to be followed in identifying a control group in case-control studies is that: O Controls should be selected to be exactly like cases in terms of the exposure of interest. O Controls should be a sample of the population that gave rise to the cases, such that if a member of the control group developed the disease being studied they would have been identified as a potential case for the study. O Controls should always be present in smaller numbers than the number of cases in a case-control study. O Controls should not be exposed to the exposure of interest QUESTION 21 Q21.Which of the following are not a typical advantage of a case-control study design? In other words, identify which statement below is false about case-control studies. O They tend to be less expensive and more efficient than prospective cohort studies O They are feasible for rare diseases O They allow you to study multiple outcomes of a single risk factor O They can only be done in hospitalized populations

QUESTION 19 Q19. Identify the main feature that differentiates case-control studies from cohort studies. O Case-control studies are retrospective, while cohort studies are always prospective O Randomization can be used in a cohort study, but can't be used in a case-control study O Case-control studies select subjects and group them based on disease status, but cohort studies select and group subjects based on exposure status. O Cohort studies aim to test associations, but case-control studies aim to only document the frequency of risk factors. QUESTION 20 Q20. The primary principle to be followed in identifying a control group in case-control studies is that: O Controls should be selected to be exactly like cases in terms of the exposure of interest. O Controls should be a sample of the population that gave rise to the cases, such that if a member of the control group developed the disease being studied they would have been identified as a potential case for the study. O Controls should always be present in smaller numbers than the number of cases in a case-control study. O Controls should not be exposed to the exposure of interest QUESTION 21 Q21.Which of the following are not a typical advantage of a case-control study design? In other words, identify which statement below is false about case-control studies. O They tend to be less expensive and more efficient than prospective cohort studies O They are feasible for rare diseases O They allow you to study multiple outcomes of a single risk factor O They can only be done in hospitalized populations

Comprehensive Medical Assisting: Administrative and Clinical Competencies (MindTap Course List)
Comprehensive Medical Assisting: Administrative and Clinical Competencies (MindTap Course List)
6th Edition
ISBN:9781305964792
Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa
Publisher:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa
Chapter12: Patient Scheduling
Section: Chapter Questions
Problem 12.1CS
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Question Completion Status: Q18. In a case-control study it is appropriate to calculate either a relative risk (risk ratio) or an odds ratio. O True O False QUESTION 19 Q19. Identify the main feature that differentiates case-control studies from cohort studies. O Case-control studies are retrospective, while cohort studies are always prospective O Randomization can be used in a cohort study, but can't be used in a case-control study O Case-control studies select subjects and group them based on disease status, but cohort studies select and group subjects based on exposure status. O Cohort studies aim to test associations, but case-control studies aim to only document the frequency of risk factors. QUESTION 20 Q20. The primary principle to be followed in identifying a control group in case-control studies is that: O Controls should be selected to be exactly like cases in terms of the exposure of interest. O Controls should be a sample of the population that gave rise to the cases, such that if a member of the control group developed the disease being studied they would have been identified as a potential case for the study. O Controls should always be present in smaller numbers than the number of cases in a case-control study. O Controls should not be exposed to the exposure of interest QUESTION 21 Q21.Which of the following are not a typical advantage of a case-control study design? In other words, identify which statement below is false about case-control studies. O They tend to be less expensive and more efficient than prospective cohort studies O They are feasible for rare diseases O They allow you to study multiple outcomes of a single risk factor O They can only be done in hospitalized populations QUESTION 22 Q22. A case-control study was conducted to evaluate the relationship between artificial sweeteners and bladder cancer. 3,000 cases and 3,000 controls were enrolled in the study. Amongst the cases, 1,293 had used artificial sweeteners in the past, while 1,707 had never used artificial sweeteners. Among the controls, 855 had used sweeteners and 2,145 had not. Compute the appropriate measure of association. O 0.53 O 0.60 Click Save and Submit to save and submit. Click Save All Answwers to save all answers.
Transcribed Image Text:Question Completion Status: Q18. In a case-control study it is appropriate to calculate either a relative risk (risk ratio) or an odds ratio. O True O False QUESTION 19 Q19. Identify the main feature that differentiates case-control studies from cohort studies. O Case-control studies are retrospective, while cohort studies are always prospective O Randomization can be used in a cohort study, but can't be used in a case-control study O Case-control studies select subjects and group them based on disease status, but cohort studies select and group subjects based on exposure status. O Cohort studies aim to test associations, but case-control studies aim to only document the frequency of risk factors. QUESTION 20 Q20. The primary principle to be followed in identifying a control group in case-control studies is that: O Controls should be selected to be exactly like cases in terms of the exposure of interest. O Controls should be a sample of the population that gave rise to the cases, such that if a member of the control group developed the disease being studied they would have been identified as a potential case for the study. O Controls should always be present in smaller numbers than the number of cases in a case-control study. O Controls should not be exposed to the exposure of interest QUESTION 21 Q21.Which of the following are not a typical advantage of a case-control study design? In other words, identify which statement below is false about case-control studies. O They tend to be less expensive and more efficient than prospective cohort studies O They are feasible for rare diseases O They allow you to study multiple outcomes of a single risk factor O They can only be done in hospitalized populations QUESTION 22 Q22. A case-control study was conducted to evaluate the relationship between artificial sweeteners and bladder cancer. 3,000 cases and 3,000 controls were enrolled in the study. Amongst the cases, 1,293 had used artificial sweeteners in the past, while 1,707 had never used artificial sweeteners. Among the controls, 855 had used sweeteners and 2,145 had not. Compute the appropriate measure of association. O 0.53 O 0.60 Click Save and Submit to save and submit. Click Save All Answwers to save all answers.
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