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Questions and Answers
What is a common method used to investigate the association between diet and colorectal cancer?
What is a common method used to investigate the association between diet and colorectal cancer?
Why are incident cases preferred in research studies?
Why are incident cases preferred in research studies?
How should cases be identified in a research study according to the protocol?
How should cases be identified in a research study according to the protocol?
Why is it important for cases to be representative in a study?
Why is it important for cases to be representative in a study?
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What are some potential disadvantages of identifying cases through patient support groups?
What are some potential disadvantages of identifying cases through patient support groups?
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In research studies, why might some studies focus on only part of the spectrum of a disease?
In research studies, why might some studies focus on only part of the spectrum of a disease?
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What should normally be used in a case–control study for data analysis?
What should normally be used in a case–control study for data analysis?
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What should be taken into account when interpreting results of a case-control study?
What should be taken into account when interpreting results of a case-control study?
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Why is data in case-control studies prone to biases?
Why is data in case-control studies prone to biases?
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What is an advantage of using case-control studies over cohort studies?
What is an advantage of using case-control studies over cohort studies?
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In case-control studies, what is calculated using the formula OR = (a/c) / (b/d)?
In case-control studies, what is calculated using the formula OR = (a/c) / (b/d)?
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Which test can be employed for data analysis in case-control studies, besides the odds ratio?
Which test can be employed for data analysis in case-control studies, besides the odds ratio?
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What is the main aim of a case-control study?
What is the main aim of a case-control study?
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How do case-control studies differ from cohort studies?
How do case-control studies differ from cohort studies?
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What is the role of controls in a case-control study?
What is the role of controls in a case-control study?
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Why are case-control studies considered easier and quicker to complete compared to cohort studies?
Why are case-control studies considered easier and quicker to complete compared to cohort studies?
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In a case-control study investigating a protective effect, what would be the expected outcome regarding exposure to the risk factor?
In a case-control study investigating a protective effect, what would be the expected outcome regarding exposure to the risk factor?
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What is the most important principle when selecting controls for a study?
What is the most important principle when selecting controls for a study?
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Which type of study design is more prone to biases according to the text?
Which type of study design is more prone to biases according to the text?
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Why is recalling biases a particular problem in case-control studies?
Why is recalling biases a particular problem in case-control studies?
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How does having more controls per case affect a study?
How does having more controls per case affect a study?
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What is a suitable way to select controls for a study?
What is a suitable way to select controls for a study?
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Why is it important for controls in a study to be representative of people without the disease?
Why is it important for controls in a study to be representative of people without the disease?
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Interviews in a case-control study should be structured and ask the same questions of both cases and controls to avoid:
Interviews in a case-control study should be structured and ask the same questions of both cases and controls to avoid:
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