Throughout all of industry, one constant significant element exists for companies to ponder over, and that is the act of making sure that each and every item of note is done or produced according to a specific and rigid standard that has been predefined. This is the act of quality assurance. In terms of the successful management of projects, quality assurance is quite significant. Performing quality assurance (which is also known by the two letter anagram QA), is an essential par of the project management process. As part of the process of performing quality control, the actual process of monitoring specific project results is undertaken by the project management team and or the project management team leader to assure that they ultimately are in the total compliance with all previously established and predetermined quality standards, as well as to identify means in which the team may eradicate any causes that may exist for substandard and noncompliant performance.
This term is defined in the 3rd edition of the PMBOK but not in the 4th.