Determine What Type of Observational Study Is Described

question 63

Multiple Choice

Determine what type of observational study is described. Explain.
-Researchers wanted to determine whether there was an association between city driving and stomach ulcers.They selected a sample of 900 young adults and followed them for a twenty-year period. At the start of thestudy none of the participants was suffering from a stomach ulcer. Each person kept track of the number ofhours per week they spent driving in city traffic. At the end of the study each participant underwent tests todetermine whether they were suffering from a stomach ulcer. The researchers analyzed the results todetermine whether there was an association between city driving and stomach ulcers.

• A) cohort; Individuals are observed over a long period of time.
• B) cross-sectional; Information is collected at a specific point in time.
• C) retrospective; Individuals are asked to look back in time.

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Definitions:

Sole Proprietorship

A business structure where a single individual owns, manages, and is personally responsible for all aspects of the business, including debts.

Persons

Human beings regarded as individuals or entities capable of owning property, having rights and responsibilities, and engaging in legal contracts and activities.

Partnership

An official business model that involves a collaboration between two or more people sharing both profits and management duties.

Negligence

The failure to exercise the standard of care that a reasonably prudent person would have exercised in a similar situation, leading to potential harm or loss.