In an Experiment, Some People Receive an Active Drug While

question 92

Multiple Choice

In an experiment, some people receive an active drug while others receive a placebo. Neither the subjects nor the people administering the drug know which people got the drug and which got the placebo. This is an example of a(n) ________ procedure.

• A) double-blind
• B) alternative hypothesis
• C) placebo
• D) single-blind

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Definitions:

Amino Acids

Organic compounds that serve as the building blocks of proteins, containing both amine and carboxyl functional groups.

Electrical Discharge

The release and flow of electric charge through a medium, often observed as a spark or lightning in nature.

Methane

A colorless, odorless flammable gas that is the simplest alkane, primarily used as fuel and a significant greenhouse gas.

Stromatolites

Layered structures produced by the growth of microorganisms, often found in fossil form, and are among the oldest evidence of life on Earth.