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What is the main characteristic of observational studies?
What is the main characteristic of observational studies?
- The investigator observes what is happening among a group of subjects. (correct)
- The investigator manipulates the exposure to assess the outcome.
- The investigator controls the allocation of subjects in different groups of the exposure.
- The investigator selects specific subjects to be included in the study.
What is the main objective of descriptive studies?
What is the main objective of descriptive studies?
- To control the allocation of subjects in different groups of the exposure
- To describe the main features of the population (correct)
- To manipulate the exposure to assess the outcome
- To select specific subjects to be included in the study
What is a case report in the context of descriptive studies?
What is a case report in the context of descriptive studies?
- A report that manipulates the exposure to assess the outcome
- A report that describes unusual medical occurrences based on one patient (correct)
- A report that selects specific subjects to be included in the study
- A report that controls the allocation of subjects in different groups of the exposure
In observational studies, who controls the allocation of subjects in different groups of the exposure?
In observational studies, who controls the allocation of subjects in different groups of the exposure?
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What is the primary focus of a case report?
What is the primary focus of a case report?
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