A control is used to show the effect of one variable or to demonstrate that only another variable causes a change, also serving as a baseline value.
Un controllo viene utilizzato per mostrare l'effetto di una variabile o per dimostrare che solo un'altra variabile causa un cambiamento, fungendo anche da valore di base.
| Front | Why is (control) used? |
|---|---|
| Back | - as a control - to show effect of x - to show that x does not affect results - to show that only y causes the change - may be used as baseline value to investigate effect of treatments |
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