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Updated: 10/9/2020
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  • The independent variable is the variable that has direct effect on the dependent variable
  • example:is the length of time spent sleeping
  • Temperature is a much common type of controlled variable
  • a control variable is something that never changes
  • example: participantstest scores, since that is what is being measured.
  • a dependent variable is something that is measured or test fro an experiment
  • An independent variable represents the suppose cause, while the dependent variable is the supposed effect
  • How does the number of seeds planted in an area affect the average height of the plants
  • the independent variable in the question is the seeds and the dependent variable is the height of the plants and the control variable is the amount of light
  • Any given experiment has numerous control variables, and it's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variables
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