Determine Whether the Study Depicts an Observational Study or an Experiment

question 74

Multiple Choice

Determine whether the study depicts an observational study or an experiment
-A medical researcher obtains a sample of adults suffering from diabetes. She randomly assigns 95 people to atreatment group and 95 to a placebo group. The treatment group receives a medication over a period of threemonths and the placebo group receives a placebo over the same time frame. At the end of three months thepatientsʹ symptoms are evaluated.

• A) experiment
• B) observational study

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Definitions:

Common Stock

Represents equity ownership in a corporation, with holders possibly entitled to vote on corporate policy and receive dividends.

Dividends

Payments made by a corporation to its shareholder members, distributed from the company's profits.

Expenses

Costs incurred in the operation of a business which may include costs such as rent, utilities, payroll, and materials.

Revenues

The sum of money made through the sale of goods or services, which constitute the primary operations of a corporation.