A Researcher Conducts a Study on the Effectiveness of a New

question 5

Multiple Choice

A researcher conducts a study on the effectiveness of a new drug to alleviate anxiety. Participants are given either the drug or a sugar pill, and they don't know which they are receiving. Furthermore, the experimenter dispensing the pills does not know which pill he is giving out (the lead researcher, however, is aware of everything) . This experiment is known as a _________ experiment.

• A) correlational
• B) double-blind
• C) single-blind
• D) response-set

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Definitions:

Methane

A greenhouse gas consisting of one carbon atom and four hydrogen atoms, commonly produced through anaerobic decomposition of organic material.

Impurities

Foreign substances within a material that can affect its properties, performance, or appearance.

Tar Sand

A sand or other sediment containing tar.

Supertankers

Supertankers are extremely large maritime vessels designed to transport vast quantities of liquids, such as crude oil or liquefied natural gas, across oceans.