When Choosing the Levels of the Independent Variable, It Is

question 30

Multiple Choice

When choosing the levels of the independent variable, it is important

• A) to choose equal intervals
• B) not to have more than two or three
• C) to have no more than one for any experiment
• D) to space the stimuli close enough such that overlooking any interesting relationship between the stimuli is unlikely

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Definitions:

Thermal Pollution

The degradation of water quality by any process that changes ambient water temperature, typically due to industrial activities like power plants.

Sea Lamprey

A parasitic lamprey native to the Northern Hemisphere, known for its detrimental effect on populations of freshwater fish.

Great Lakes

A group of five large interconnected freshwater lakes in North America that serve as a critical source of water, transportation, and recreation.

Goldfish

A common freshwater fish kept in aquariums, known for its bright orange color, which is descended from wild carp.