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1. PERT (Project
Evaluation & (PERT) was developed in the 1950s to support the U.S. Navy's Polaris
Re- view missile pro- ject. PERT is used to estimate activity duration times. It uses
Technique) a statistical approach to estimate the time that will be required to
complete project work activities. PERT techniques are recommended by
PMBOK when estimating activity duration times that vary.
2. CPM (Critical Path Developed for the Dupont Corporation to estimate activity time durations,
this
Method) method assumes time can be reliably estimated.
3. CCPM CCPM applies the theory of constraints logic to project management by
(Critical
recognizing that the project can only be completed if the resource (person,
Chain
Project machine, capital, etc.) capacity is available. In CCPM, the work each
Management resource is expected to complete is checked to verify that the resource will
) be capable and available when needed. Time butters are built into the
schedule to handle situations when the critical resources fall behind or
aren't available. Focuses on managing the uncertainties of a project and
builds butters into the schedule to prevent key activities from failing.
4. Waterfall Method The Waterfall method is a traditional practice which found its best use
in software and hardware development. In this method, the project
work flows downward like water falling over a ledge. The initial
programs are designed by software developers and then handed over
to programmers to create the computer code. The programmers then
hand the completed code to the quality control analysts who then test
the code and turn it over to the customer for acceptance testing. This
process flows logically and in a linear fashion, but if any problems are
found, returning the work back to the previous step is very expensive -
much like the diflculty of swimming back up a waterfall. This method
organizes project tasks into linear workflows.
5. PRINCE2 Projects in controlled environments (PRINCE2)Éis a highly structured
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, C722 WGU Project Management Methods Module 15 study set
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project man- agement method which focuses on the specification of the
outputs rather than the coordination of activities (PMBOK). PRINCE2
includes very specific processes and terminology to ensure that all
project participants understand the work. PRINCE2
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