What type of study design should be used to investigate an exposure that is relatively uncommon but a source of exposed individuals is available?
A. Time-series study B. Panel study C. Longitudinal cohort study D. Prospective cohort study
Answer: D. Prospective cohort study.
( The prospective cohort study design should be used to investigate an exposure that is relatively uncommon but a source of exposed individuals is available. It provides examination of the multiple exposures as well as multiple outcomes. )
What type of study design should be used to investigate an exposure that is relatively uncommon...
Which type of observational study design is best suited for a scenario when the exposure under study is rare? a) Case-control study b) Retrospective cohort study c) Prospective cohort study d) Prospective and retrospective cohort study e) Retrospective cohort study and case-control study
Choose the study design that best matches each statement described below. The study design may be used more than once or none at all. (24 points) Statement Study Design ____ Blinding or masking is used to control potential bias. Case-Control ____ Observational epidemiological studies, this design is cheaper and faster to conduct because of the usage of already existing data. Cross-sectional ____ Control groups can receive the current “standard” treatment or a placebo. Ecological ____ Data on exposure and outcome...
Which type of observational study design is best suited for a scenario when little is known about the causes of the disease? a) Case-control study b) Retrospective cohort study c) Prospective cohort study d) Prospective and retrospective cohort study e) Retrospective cohort study and case-control study
A large group of people are enrolled in a study A. Retrospective Cohort study to investigate the effects of diet on heart disease. Everyone is free of heart disease at the cross sectional study start of the study and people are followed for C. Prospective Cohort study 10 years to see if disease develops. What study design is this? D. Case control study E. RCT Researchers wish to investigate the association between complications during Caesarian section delivery and hospital of...
27. Interpret your findings that you calculated in # 26. study design. c. experimental 28. The well-known Framingham Study employs the a case-control b. cohort 20. When selecting control subjects for a case-control study, the control group members should (select the best answer): resemble the case subjects b. have already had the disease of interest have had no opportunity to be exposed to the disease. be very ill hospital patients 30. True False W hen using the cohort study design...
Part 3:1dentify the following features with appropriate study design: ...Case-control study 1 b. Cohort study Categorize subjects on the basis of exposure and then follow up to see if they develop the health condition we are studying. 1. Generally used to explore rare diseases. Useful for exploring several risk factors for a given outcome. After some time compare the disease rate for the exposed with that of the unexposed. Generally used when the exposure is rare. 1 Useful when there...
The Framingham Study is an ongoing, longitudinal study of heart disease and other chronic conditions that began over 60 years ago with approximately 5,000 residents of a small city in Massachusetts. What type of study design is used for this famed investigation? Prospective cohort study Retrospective cohort study Case-control study Clinical trial None of the answers listed
3) True or False? If the goal of the study is to understand populations, describe patterns, or ask research questions that are not focused on causality, the best design may be a cross-sectional or cohort study. True False 5) True or False? Case definitions are essential for any outbreak investigation no matter which study approach is used to investigate the epidemic. 6) True or False? Cross-sectional surveys are used to establish baseline data prior to the initiation of longitudinal studies....
Which of the following is an example of an observational cohort study that might be used to assess the association between agent X and disease Y? (Select one) a. A group of individuals exposed to agent X are recruited in 1995 and followed until 2004 at which time they are tested for the presence of disease Y. b. A group of individuals with disease Y and without disease Y are recruited and interviewed about exposure to agent X in 2004....
Question 43 In a study of breast cancer, a mother was considered exposed if she first gave birth at 30 years of age or older. Among 1,628 mothers who were exposed, 31 subsequently developed breast cancer. Among the 4,450 mothers who first gave birth before the age of 30, 65 subsequently developed breast cancer. What type of study design was used for this investigation of the association age at first birth and breast cancer? Prospective cohort study Retrospective cohort study Case-control study Clinical trial None of...