Question:

What is a control in an experiment?

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What is a control in an experiment?

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  1. The control is the group that is not exposed to the Independent variable. Or the part of the experiment that reflects the way it would happen normally.


  2. A control group is one that you don't do anything to.  You compare this group to your experimental group.

    For example, you want to test a drug.

    You give one group no treatment.

    You give another group your unproven, experimental drug.

    You compare the health of the people in these 2 groups to see if the drug works.

  3. the test you do to enable you to compare results.

    example

    a practical on testing the effects of caffeine on heart rate would include a person drinking caffeine and one water.

    when the results are tabulated you can see what happens under normal conditions (water) and how the caffeine changes this.  

  4. the material that you don't change..whether the cocentration, or the amount of solution..this control will become youre guidance to observe the other material that you keep changing.

  5. Scientific controls allow experiments to study one variable at a time, and are a vital part of the scientific method. In a controlled experiment, two virtually identical experiments are conducted. In one of them, the treatment, the factor being tested is applied. In the other, the control, the factor being tested is not applied.[1]

    For example, in testing a drug, it is important to carefully verify that the supposed effects of the drug are produced only by the drug itself. Doctors achieve this with a double-blind study in a clinical trial: two (statistically) identical groups of patients are compared, one of which receives the drug and one of which receives a placebo. Neither the patients nor the doctor know which group receives the real drug, which serves both to curb bias and to isolate the effects of the drug.

  6. The control in an experiment is the half where you know beforehand what the result is going to be. Therefore you can alter or make changes to the non-control and compare the results with the known facts from the control.

  7. A Control group(s) is used as a baseline measure. The control group is identical to all other items or subjects that you are examining with the exception that it does not receive the treatment or the experimental manipulation that all other items or subjects receive.

    For example: If you are testing a drug,you would have 2 groups,a control group and experimental group,you make sure the variables in each group are the same ,except that you only give the drug to be tested to the experimental group while you give the other group a placebo pill which is basically a pill with no effect.

    I hope this helps.

  8. study mo na ako

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