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Experiment Information

Experiment Information. Variable and Controls. Control Groups. A group of test subjects that is used to compare against the test group. Independent Dependent. Variable that can be manipulated by the researcher. This is not affected by the dependent variable. Example Time Age.

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Experiment Information

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  1. Experiment Information Variable and Controls

  2. Control Groups • A group of test subjects that is used to compare against the test group

  3. Independent Dependent • Variable that can be manipulated by the researcher. This is not affected by the dependent variable. • Example • Time • Age • Variable that is the response measured for the independent variable. • Example • How fast people run

  4. Constants • A factor that remains fixed during the experiment while the independent and dependent variables change.

  5. Example • Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (stapling papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, Smithers counts how many stacks of paper each group has made. • Group A=1,587 stacks • Group B=2,113 stacks

  6. Finding the variables • Control Group • Group B • Independent variables • Special Juice • Dependent variables • Papers Stapled (stacks)

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