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15 March, 23:37

How many variables should there be in a well-designed experiment? how many variables should there be in a well-designed experiment? as many as possible 2 0 1?

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  1. 15 March, 23:41
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    In a well-designed experiment, only one variable should be tested. This way, the effects of other variables are not impacting the results of the test. Only one variable can have an influence on the result. This isolates the effect of the one variable.
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