Which of the Following Represents a Double-Blind Study

question 22

Multiple Choice

Which of the following represents a double-blind study?

• A)The test group knows whether they are receiving a placebo or the actual treatment, and so do the researchers.
• B)The test group does not know whether they are receiving a placebo or the actual treatment, but the researchers do.
• C)The test group knows whether they are receiving a placebo or the actual treatment, but the researchers do not know until all the data are collected.
• D)Neither the test group nor the researchers know whether the test group is receiving a placebo or the actual treatment until all the data are collected.

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Definitions:

Moral Principles

Fundamental beliefs about right and wrong that guide individuals' behaviors and decision-making in personal and professional contexts.

Enforceable

Capable of being implemented or upheld by legal means.

Tobacco-Producing

The agricultural cultivation and processing of tobacco plants for the production of tobacco products.

Free Trade

An economic policy that allows imports and exports among member countries with little or no tariff barriers, quotas, or prohibitions.