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Like Goldratt's book The Goal, Critical Chain is written as a novel, not like a project manager's how-to guide. This book is a story about a professor trying to attain his tenure at a university's business school. The plot is used to maintain interest in the subject and provide a real life feel to the book.
The theory of constraints is an overall management philosophy, introduced by Eliyahu M. Goldratt in his 1984 book titled The Goal, that is geared to help organizations continually achieve their goals. [1] Goldratt adapted the concept to project management with his book Critical Chain, published in 1997.
The idea of CCPM was introduced in 1997 in Eliyahu M. Goldratt's book, Critical Chain. The application of CCPM has been credited with achieving projects 10% to 50% faster and/or cheaper than the traditional methods (i.e., CPM, PERT, Gantt , etc.) developed from 1910 to 1950s.
Eliyahu Moshe Goldratt (March 31, 1947 – June 11, 2011) was an Israeli business management guru. [1] [2] He was the originator of the Optimized Production Technique, the Theory of Constraints (TOC), the Thinking Processes, Drum-Buffer-Rope, Critical Chain Project Management (CCPM) and other TOC derived tools.
The primary thinking processes, as codified by Goldratt and others: Current reality tree (CRT, similar to the current state map used by many organizations) — evaluates the network of cause-effect relations between the undesirable effects (UDE's, also known as gap elements) and helps to pinpoint the root cause(s) of most of the undesirable effects.
One of the thinking processes in the theory of constraints, a current reality tree (CRT) is a tool to analyze many systems or organizational problems at once. By identifying root causes common to most or all of the problems, a CRT can greatly aid focused improvement of the system.
Thus, a number of studies have been carried out to define and expand the various criteria of project success based on the theory of change which is the basic input-process-output chain. Bannerman (2008) proposed the multilevel project success framework which comprises five L Levels of project success i.e. team, project management, deliverable ...
One thrust of critique has come from the critical chain developers and followers (e.g. Eliyahu M. Goldratt and Lawrence P. Leach), [10] as opposed to critical path method adherents. The PMBOK Guide section on Project Time Management does indicate Critical Chain as an alternative method to Critical Path.