Independent Variable Dependent Variable

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Presentation transcript:

Independent Variable Dependent Variable

Experimental Design

Hypothesis The plant exposed to fertilizer will grow taller

What am I testing? What is my hypothesis? What am I measuring? How will I know if my hypothesis is supported?

Independent Variable IV Manipulated Variable The thing you are testing

Dependent Variable DV Responding Variable The thing you are measuring as a result of exposure to the IV

Parts of a Graph Title y axis dependent variable (unit) x axis independent variable (unit)

Parts of a Graph MIX DRY Title y axis dependent variable (unit) x axis independent variable (unit)

Independent Variable: the thing you are testing (CAUSE) Dependent Variable: the thing you are measuring (EFFECT)

Pop Quiz Students who study 15 minutes a night will have higher test grades than those who do not study at all People with headaches who take an aspirin will experience relief in less time than those people with headaches who do not take an aspirin Plants that are watered with distilled water will grow taller than plants watered with tap water

Independent Variable: the thing you are testing (CAUSE) Dependent Variable: the thing you are measuring (EFFECT)