Which of the Following Is the BEST Reason to Include

question 14

Multiple Choice

Which of the following is the BEST reason to include a placebo in the experimental design of a human intervention trial?

• A)The researchers do not know who is receiving an intervention and who is not.
• B)Placebos reduce the cost of the study.
• C)It helps prevent the expectations of the subjects from biasing the research.
• D)It makes it possible to include a larger number of subjects in the experiment.

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Definitions:

Manager's Power

The authority and influence held by managers to make decisions and direct the actions of employees.

Conglomerate

A coarse-grained sedimentary rock composed of rounded fragments or clasts of pre-existing rocks.

Basalt

A dark, fine-grained volcanic rock that is formed from the rapid cooling of basaltic lava at the Earth's surface.

Clasts

Fragments of geological detritus, such as minerals and rocks, formed by weathering and erosion.