The Variable That the Researcher Controls Is Called the

question 99

Multiple Choice

The variable that the researcher controls is called the

• A) manipulation check.
• B) dependent variable.
• C) placebo effect.
• D) independent variable.

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Definitions:

Ground

The solid surface of the Earth, or a reference point in electrical engineering for a return path for electric current.

Earth's Water

The total amount of water found on, under, and above the surface of the Earth, including oceans, ice caps, groundwater, lakes, and atmospheric water vapor.

Fresh Water

Water that has low concentrations of dissolved salts and other total dissolved solids, typically found in lakes, rivers, and groundwater.

Freshwater Lake

A body of water that has low concentrations of salts, typically found inland and not connected to the ocean.