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Questions and Answers
Which type of study involves identifying cases, controls, and evaluating other characteristics at one point in time?
In which type of study are investigators required to observe different characteristics and their associations without experimental intervention?
What is the main difference between cross-sectional and retrospective research designs?
Which type of study is well-suited for studying conditions or characteristics that are relatively infrequent in the population?
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A researcher identifies groups of individuals who vary on a characteristic of interest and compares these groups on the measures of interest. Which type of study is being described?
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What is a common weakness of cohort designs?
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What distinguishes birth cohort studies from other designs?
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How do case-control studies differ from cohort studies?
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Which type of cohort design follows subjects based on a particular criterion?
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What is a defining advantage of cohort studies?
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