There are different ways to balance a load. Why is the figure considered to be an example of a negative feedback system as opposed to a positive feedback system is that The figure shows the correction of an imbalance back to a baseline.
This is simply known as a form of art that pertains to systematic error when producing an intervention groups in any clinical trial.
In this type of imbalance, the groups differ in baseline traits due to the fact that the participants were selected or assigned.
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