ProjeQtOr implements "Work driven" project management.
But What is it ?
The main principle is :
customer requests a change (or else) : in most cases he requests for a target date (called requested end date)
Project Leader, depending on resource avaialbilty, assigns resources : this defines assigned work
and runs planning calculation to determine possible target date
with possible ajustments and new calculation to find best planning
with complete planning, Project Leader can commit on target : validated work, validated end date
when working, resources enter real work, day by day : real work,
and update left work depending on what is left to do (left work is automatically updated when real work is entered, but it must be re-estimated)
planned work is automatically calculated as real work + left work
So
validated work = committed work
assigned work = validated work dispatched to the resources
real work = work really done by each resources
left work = new estimate of left work
planned work = new estimate of full work = real work + left work
And from this data :
real progress = real work / (real work + left work) = real work / planned work
expected progress = real work / validated work (where progress should be if validated work was correct)
So, to get the correct progress, the left work must be updated :
by resource on real work allocation
by Project Leader on assignment in the activity
So now, why only "work driven" principle, why not let the resource estimate the progress ?
Because of expertise and long practice of project management.
Just try this once or twice, you'll be surprised ...
consider a 10 days task
after resource has worked 5 days, meet him and ask : "what is your progress on the task ?"
99% of change you get : "50% !"
then, slightly change the question and ask : "how much work do you need to finish the task ?"
you could be surprised to hear : "7 days !"
so you request some explanation : "but you just said you did half of the work ?"
and don't be surprise to hear : "Yes !!! I did half of what's to be done" (half of the rules, of half of the specification), "but I left the hardest for the end, so the end will be a bit longer" ... or alternatively "but I did not run unit tests yet, and I will manage all at the end" ... or possibly "but when all is done I'll have a little of tuning to integrate components and have them work together"...
I heard these so many times that I really made my mind : only plan from "work" and fight to have "left work" restimated at least on a weekly basis.
This was my 2 cents on project Management, hope it can help...
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