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What is the difference between positive and negative control in an experiment?

In an experiment, a positive control is used to show that the experiment can detect a specific response, while a negative control is used to show that the experiment does not detect a response when it should not.


Why is a control set in a experiment so important?

When performing an experiment it is very important to have a control set. It is important to have a control set because it ensures that the experiment can be repeated as many times as necessary.


Why is is it important that an experiment include a control group?

a control group assures that an experiment will be repeatable


What is the negative experiment?

A "Negative Experiment" is one where the expected result of the experiment is not found. These experiments are critically important and represent important work in Physics. The Michelson-Morley experiment, a "negative experiment" is one of the most important in the history of science. It was an test to measure the influence of the presumed etheric medium on a beam of light. No effect was found. Thus no ether.


What is the negative control in the lactose experiment?

The negative control in the lactose experiment would be a sample that does not contain lactose or the enzyme needed to break down lactose. This control is used to show what would happen if no lactose were present for the enzyme to act on.


Why is it important to control your experiment?

It's important to control your experiment so that you can be sure the results are due to the experimental variable (independent variable) and not something else.


Why is control important in a experiment?

If you do not have a control,then you cannot compare your test results.


Why is the control variable in an experiment important?

The control is whatever you base your experiment on. No control = you can't compare your data to anything = good luck making sense out of your experiment. You aren't following the scientific method if there is no control.


Why is it important that every experiment have a control group?

so that it doesn't go out of control


It is important to control variables in an experiment because?

in an experiment cantrolling variable is important as it helps to identify the limiting factors are present in the experiment, and also factor that do not necessarily affect the experiment.


Why is the controls important in an experiment?

The control is whatever you base your experiment on. No control = you can't compare your data to anything = good luck making sense out of your experiment. You aren't following the scientific method if there is no control.


What's a negative control?

A negative control is a control group in an experiment where the variables are not expected to have an effect. It helps researchers to determine if any observed effects are due to the treatment being tested or other factors.