Which of the Following Statements Most Accurately Describes a Cohort

question 4

Multiple Choice

Which of the following statements most accurately describes a cohort study?

• A) Persons are randomly assigned to groups and then followed to determine if they develop certain outcomes.
• B) Groups of persons with different levels of risk are identified and then followed to determine if they develop certain outcomes.
• C) Persons with rarely occurring conditions are matched with persons who don't have the conditions and their prior exposure to risk is examined.
• D) Persons are randomly assigned to groups and then data is collected ex post facto to study certain variables.

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Definitions:

Natural Gas

A fossil fuel composed mostly of methane, used as a source of energy for heating, cooking, and electricity generation, as well as a feedstock for chemical manufacturing.

Complementary Goods

Goods or services that are frequently utilized in conjunction with each other, leading to a scenario where the desire for one boosts the desire for the other.

Substitute Goods

Products or services that can be used in place of each other because they satisfy similar customer needs or desires.

Blu-Ray Players

Devices designed to play Blu-ray discs, which provide high-definition video and have more storage capacity than traditional DVDs.