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5 Cards in this Set
- Front
- Back
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2 TYPES OF OBSERVATIONS
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QUALITATIVE
and QUANTITATIVE |
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3KINDS OF VARIABLES
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INDEPENDENT,
DEPENDENT, and CONTROLLED |
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WHAT'S AN INDEPENDENT VARIABLE?
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is the one that is changed by the scientist. To insure a fair test, a good experiment has only one independent variable.
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WHAT'S A DEPENDENT VARIABLE?
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is the factor that changes in response to the independent variable. The new value of the dependent variable is caused by & depends on the value of the independent variable. It is the variable that scientists measures.
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CONTROLLED VARIABLES?
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are quantities that a scientists wants to remain constant and must observe them as the dependent variable.
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