Monday, July 7, 2014

What is the difference between QA & QC from PMP point of view?

What is the difference between Quality Assurance and Control Quality from PMP point of view.

PMBOK® Guide 5th Edition
The process of auditing the quality requirements and the results from quality control measurements to ensure that appropriate quality standards and operational definitions are used1.
PMBOK® Guide 5th Edition
The process of monitoring and recording results of executing the quality activities to assess performance and recommend necessary changes1.
QA is the process of planning, systematic quality activities to ensure that the project will employ all those processes that are needed to meet or conform to the specific requirements mentioned in project SOW.
QC incorporates monitoring the results of the processes of the project to determine whether the processes comply with relevant quality standards and also identifies ways to eliminate the causes that are causing problems or non-conformances.
QA is preventive process. Hence all preventive and corrective actions are taken by QA process.
QC is more of a correction rather than corrective action. All defect repairs are corrected in QC after finding the defect.
QA is error prevention process
QC is error identification process
QA is a process of doing right the first time. Making the right deliverable.
QC is the process of inspecting whether the deliverable is conforming to the requirements mentioned in deliverable specifications after making the deliverable.
QA is process oriented
QA is product / deliverable oriented
QA is pro-active
QC is reactive
QA is line function
QC is staff function

There are 7 basic quality tools that we use in QC and they are:
1. Cause & Effect / Fishbone / Ishikawa diagrams,
2. Flowcharts,
3. Checksheets,
4. Pareto diagrams or charts,
5. Histograms
6. Control charts and
7. Scatter diagrams


1.     PMBOK® 5th Edition, Page 227

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