Explain the concept and importance of the Project Control Curves (S-CURVES) in project management.
An S-curve is defined as:
"A display of cumulative costs, labor hours or other quantities plotted against time. The name derives from the S-like shape of the curve, flatter at the beginning and end and steeper in the middle, which is typical of most projects. The beginning represents a slow, deliberate but accelerating start, while the end represents a deceleration as the work runs out."
Inputs Into S-Curves
S-curves are generated using 'something' versus 'time.' I say 'something,' because it could be costs, planned labor, actual labor, number of documents delivered - the list can go on and on. The only item that all S-curves have in common (or at least in project management) is time.
Example of an S-Curve
For the example you are looking at now, I decided to use project costs because costs are cumulative over time. As you can see, in the beginning of the project, costs are low. As
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