Special Topics (IPMA D: only 1) - Critical Chain
10 important questions on Special Topics (IPMA D: only 1) - Critical Chain
Who described the Cricital CHAIN and in which book?
Which 4 problems of critical PATH are solved in the Critical CHAIN/ Theory of Constraints for projects?
- Uncertainty in Estimates
- The student syndrome
- Multi-tasking
- Resource availability
Describe the problem of uncertainty in estimates
- we confuse accuracy with certainty
- People play it safe
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
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Describe the student syndrome
This leads to wasting valuable time
Describe the problem of multitasking
We loose time due to switch time
At the same time, 2 tasks might be in advantage as we can avoid losing motivation on 1 task
Describe the problem of resource availability
Beschrijf de Critical CHAIN methode
+ you estimate with 50% certainty
+ you provide for a potential overrun on the time schedule by building in buffers
Describe the difference between Critical Path and Critical Chain
More important in Critical CHAIN is "handing over the batton" to the next person in the chain
Multitasking is not carried out in Critical CHAIN
Critical Chain is Critical Path that takes account of resources availability
Describe the 3 types of buffer in Critical CHAIN
Project buffer: A unique and single buffer to protect the project deadline
Resource buffer (not in book): multiple artificial buffers that act as warning signals to assure the availability of resources
Describe progress reporting in Critical Chain
example difference:
Critical path: due to the current situation, we need three extra weeks
Critical chain: we have used three weeks of our buffer
Guidelines
* 0 - 1/3 of buffer used: o problem
* >1/3 pay more attention
* >2/3 action is needed depending on the type of buffer
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding
