Determine Whether the Study Depicts an Observational Study or an Experiment

question 99

Multiple Choice

Determine whether the study depicts an observational study or an experiment
-A researcher obtained a random sample of 100 smokers and a random sample of 100 nonsmokers. Afterinterviewing all 200 participants in the study, the researcher compared the rate of depression among thesmokers with the rate of depression among nonsmokers.

• A) observational study
• B) experiment

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Definitions:

Role Definition

The clarification of an employee's or individual's job responsibilities, expectations, and duties within an organization or group.

Innovate

To innovate means to introduce new methods, ideas, or products; the act of creating something original and more effective.

Problem-solving Team

A group of individuals working together to find a solution to a specific issue or challenge.

Drive Train Assembly

The series of components in a vehicle that transfer power from the transmission to the wheels, enabling movement.