Which Scenario Best Describes a Double-Blind Study

question 45

Multiple Choice

Which scenario best describes a double-blind study?

• A) The investigator and the subjects wear blindfolds.
• B) No one knows what is in the experimental or control group
• C) The subjects do not know if they are in the experimental or control group.
• D) Neither the investigator or the subjects know if they are in the experimental or control group.
• E) The investigator does not know if subjects are in the experimental or control group.

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Definitions:

Milk Shakes

A cold beverage made from milk, ice cream, and flavorings or sweeteners such as butterscotch, caramel sauce, or chocolate syrup.

Marginal Utility

The change in satisfaction or utility an individual gains from consuming an additional unit of a good or service.

Consumer Surplus

The gap between what consumers are ready to pay for a product or service and the actual amount they spend.

Marginal Utility

The additional satisfaction or utility that a person receives from consuming one more unit of a good or service.