A controlled variable is a variable that could change but is intentionally kept constant in order to clearly show the relationship between dependent and independent variables. The output of the controller. A Detailed Guide On Control Variables What Why And How Voxco Thus the key difference between the positive and negative control is positive control produces a response or a desired effect while negative control produces no response or no desired effect of the experiment. . 14 rows A control group is a group in which the independent variable is not changing or set as a. The main difference between Constant and Control is that a constant variable does not change throughout an experiment. Negative control is an experimental treatment which does not result in the desired effect of the experimental variable. The control variables will be found in both groups. A control variable is the one that stays the sameA controlled variab...
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