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a systematic plan for gathering and analyzing observations about the world
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the value a variable takes on
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When two variables move or change together
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a statement of a possible relationship between two variables
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uses an existing theory to inform the hypothesis you test
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___ logical thought takes your observations and uses them to build a theory
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variables that you believe are affected by changes
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something that can take on many different values
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research method where people respond to a set of prepared questions
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a smaller group that’s representative of the population