What Module Coupling Actually Costs You
What does coupling cost on one feature?
With coordination hours at zero, the gap above the $6,000 of work is coupling. That gap is $21,000 per feature.
Why are coordination hours zero in this example?
Zero coordination hours leaves the whole gap on the coupling term, interdependence 0.5 times connascence degree 7, which is the 4.50x multiplier.
What is the annual figure?
$21,000 times 48 features is $1,008,000. Cost per feature on the calculator is $27,000.
Which two inputs should I set first?
Set Connascence Degree to 7 and Interdependence Factor until it reads 0.5. Keep coordination hours at 0.
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