There are two competing methods to the calculation of the critical path. One method boasts the adoption by Oracle Primavera P6 while the other is considered the appropriate approach on the Project Management Institutes (PMI) http://ow.ly/BOwJ0
Critical Path Method: A Tale of Two Methods
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Dear Emily,
Your proposition is ridiculous and at least 6 top 10 years out of date - the so called ‘expert’ who wrote the piece you are linking to has non idea what he is talking about. There were two manual calculation options - the correct way and a simple ‘old way’ used decades ago when major schedules were calculated by hand (ie, the 1960s, 70s and into the 80s. See: http://mosaicprojects.wordpress.com/2014/10/01/schedule-calculations-old-and-new/
In particular, the PMI exams have needed the correct calculations for at least the last 6 years, probably longer.
Pat (and I'm old enough to have used the 'old way' on schedules for multi-million dollar projects).
Hi Emily
I have just encountered this on one of my linked in groups my response was:
Suck Teach Eggs Grandma - rearrange to find a well known phrase or saying.
Best regards
Mike Testro
The Football Analogy in Project Management
http://www.brighthubpm.com/project-planning/61660-executing-a-forward-p…
Cheers
Shahul Badhusha