MrMarshall Hired June to Collect Data from a Group of Subjects.Neither

question 29

Multiple Choice

Mr.Marshall hired June to collect data from a group of subjects.Neither June nor the subjects were aware of the independent variable that Mr.Marshall had manipulated.This is an example of _______.

• A)randomization
• B)a placebo
• C)double-blind control
• D)experimenter bias

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Definitions:

Oil Pollution

Contamination of the natural environment, particularly water bodies, with petroleum products which cause damage to wildlife and ecosystems.

Tanker Accidents

Incidents involving large vessels that transport liquids, leading to potential environmental and safety hazards.

Offshore Drilling

The activity of drilling wells at sea to explore for and extract petroleum that lies beneath the ocean floor.

Ocean Debris

Human-made and natural waste materials that have ended up in the ocean, causing environmental and navigational hazards.