Two kinds of controls: Positive and Negative. Depending on the test/Instrument, Positive controls will have an indication or contain the specific substance that the test or instrument is used for. (Mostly for abnormal people according to the population.) Negative controls don't contain anything. (Mostly for normal people within the population.) --
It is a setup that you can change and you can control.
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control and experimental setup
A control setup is something where you know how it will behave. It gives you a reference to measure affect of all other variables.
To have something to compare the rest of the experiment to
The control variable is the thing you keep the same and is everything that is not the independent variable. The Control Setup is there for the sake of comparison.
something in a lab that stays the same
control and experimental setup
control setup
A control is a known setup for a given experiment that is known to have no effect on the outcome, that it will remain constant throughout all tests. It is part of a test group that does not change, so as to compare results in the end.
A control setup is something where you know how it will behave. It gives you a reference to measure affect of all other variables.
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Ewan Ko ??
definition of control
Answer The "Control"
Answer The "Control"
Without controlled setup in an experiment. How can the researcher know his data is comparable for study?
search: www.wikipedia.com
To have something to compare the rest of the experiment to