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9 Terms
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Variables
is any factor that can have more then one value.
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Constant
are factors in an experiment that don't change
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Qualitave data
uses words to describe what is observed
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control group
Contains the same factor as the experimental group, but the independent variable is not changed.
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Independent variable
Is the factor you want to test. Can be changed by the investigation to see how it affects the dependent variable.
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Experimental group
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is used to study how a change in independent variable changes the dependent variable
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quanative data
uses numbers to describe what is observed.
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dependent variable
Is the measure you observe or measure
Note 
Flashcards (50)