Podcast
Questions and Answers
What is one of the main aims of epidemiology?
What is one of the main aims of epidemiology?
- To develop new statistical methods
- To promote healthy behaviors
- To study the effects of climate change on health
- To analyze the relationship between exposure and outcome (correct)
Which study design is characterized by the participants being followed over time to observe outcomes?
Which study design is characterized by the participants being followed over time to observe outcomes?
- Case-control studies
- Randomized epidemiological trials
- Cohort studies (correct)
- Cross-sectional studies
In epidemiology, what does the term 'exposure' refer to?
In epidemiology, what does the term 'exposure' refer to?
- The outcome of interest in a study
- The statistical measures used to analyze data
- The population under study
- The variables that may influence the outcome (correct)
Which type of study design is particularly useful for rare diseases or outcomes?
Which type of study design is particularly useful for rare diseases or outcomes?
What is a characteristic of ecological studies in epidemiology?
What is a characteristic of ecological studies in epidemiology?
What is the main advantage of a randomized epidemiological trial over a cohort study?
What is the main advantage of a randomized epidemiological trial over a cohort study?
In a case-control study, what is a disadvantage regarding the assessment of exposure?
In a case-control study, what is a disadvantage regarding the assessment of exposure?
What is the main difference between a cohort study and a randomized epidemiological trial?
What is the main difference between a cohort study and a randomized epidemiological trial?
In which type of study design is the selection criteria based on the disease of interest?
In which type of study design is the selection criteria based on the disease of interest?
What characteristic distinguishes a cohort study from a case-control study?
What characteristic distinguishes a cohort study from a case-control study?
What is a disadvantage of cross-sectional studies?
What is a disadvantage of cross-sectional studies?
In ecological studies, what is a disadvantage of using aggregated data?
In ecological studies, what is a disadvantage of using aggregated data?
What is an advantage of time series analysis for studying short-term effects of environmental exposure on population health indicators?
What is an advantage of time series analysis for studying short-term effects of environmental exposure on population health indicators?
Which type of study uses random assignation and selection criteria based on exposure?
Which type of study uses random assignation and selection criteria based on exposure?
What is a limitation of observational studies?
What is a limitation of observational studies?