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Larger, longer and more expensive
Prone to certain types of bias
Changes in exposure or medical practice can be missed
Not practical for rare outcomes
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What is a concurrent cohort study?
it is prospective cohort study
What is the difference between a panel study and a cohort study?
A panel study involves repeatedly collecting data from the same individuals over time to study changes within the same group. A cohort study follows a group of individuals who share a common characteristic or experience over time to see how their outcomes differ. The key difference is that in a panel study, the same individuals are followed over time, while in a cohort study, different individuals may be added to the study group over time.
What is a longitudinal cohort study?
A longitudinal cohort study involves studying a specific group of people over an extended period of time.
3 What is a major problem resulting from the lack of randomization in a cohort study?
What is major problem resulting from the lack of randomization in a cohort study
Is cohort study primary or secondary literature?
A cohort study is considered primary literature because it involves original research conducted by the authors.
Is a cohort study qualitative or quantitative?
Quantitative
In a cohort study a scientist collects health data on a group of nurses. What characteristics was used to form the cohort?
Occupation
In a cohort study, a scientist collects health data on a group of drug abusers. What characteristic was used to form the cohort?
behavior
In a cohort study, a scientists collects health data on a group of people born in 1976. What characteristic was used to form the cohort?
Age.
What are the 3 types of longitudinal studies?
The three main types of longitudinal studies are cohort studies, panel studies, and trend studies. Cohort studies follow a specific group of individuals over time, panel studies revisit the same group of individuals at multiple points, and trend studies analyze data collected from different samples at various time points.
In a cohort study a scientist collects health data on a group of drug abusers. What characteristic was used to form the cohort?
Age
What are the advantages and disadvantages of cohort studies?
AdvantagesCohort studies are the more direct evaluation study of health and disease patternsMeasures riskDisadvantagesRelatively expensiveRequire a long follow up periodSubjects may be lost during the long follow periodA large number of subjects is needed
