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I use different types of weed killers on my lawn to see which one kills the most weeds. What is the DV?
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
A farmer applies different fertilizer to his cotton crops, to see which will make his plants grow the highest. What is the IV?
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
In a study about headaches, doctors gave patients Alieve, Tylenol, Advil, and Excedrin, to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the IV?
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
To test the safety of a car, crash tests will test different types of cars in collision situations. They want to determine in which car the crash test dummy receives the least amount of damage. What is the DV?
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
A farmer applies different fertilizer to his cotton crops, to see which will make his plants grow the highest. What is the dependent variable?
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
The dependent variable is the variable that you measure.
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
A scientist wanted to determine the color flower that bees are most attracted to. She placed different colors of the same type of flower near each other and counted the number of bees that visited each flower color. What is the IV?
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
The independent variable is the one you measure.
Type of fertilizer
Amount of damage to the dummy
Color of flower
Height of plants
False
Types of pain reliever
Amount of weeds killed
True
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