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Variables
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Tested Variable Independent what’s different between groups?
how does _*__ affect ___? If …
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Tested Variable Outcome Variable Independent
what’s different between groups? how does _*__ affect ___? If … Dependent, measured what are you looking for? goes in the your data table how does ___ affect _*__? Then …
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Tested Variable Outcome Variable Controlled Variable Independent
what’s different between groups? how does _*__ affect ___? If … Dependent, measured what are you looking for? goes in the your data table how does ___ affect _*__? Then … Controlled Variable constants things you keep the same in each group
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Tested Variable Outcome Variable Controlled Variable
Independent what’s different between groups? how does _*__ affect ___? If … Dependent, measured what are you looking for? goes in the your data table how does ___ affect _*__? Then … Controlled Variable Experimental Group test group Has the tested variable constants things you keep the same in each group
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Tested Variable Outcome Variable Controlled Variable
Independent what’s different between groups? how does _*__ affect ___? If … Dependent, measured what are you looking for? goes in the your data table how does ___ affect _*__? Then … Controlled Variable Experimental Group test group Has the tested variable constants things you keep the same in each group Control Group without tested variable placebo
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Finding variables in a data table
Outcome variable Tested variable Data Table Fertilizer brand Height Week 1 Week 2 Week 3 Week 4 A B C None Experimental group Control group
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