CHNS Internet Challenge

What is the difference between "quality assurance" and "quality control"?


Courtesy of GE Capital Services
Using Advanced Search Features and Dogged Determination

AltaVista: +"quality assurance" +"quality control"
    More than 52,000 pages found! So must be closely coupled...
    Found dedicated sites: QAQC.com, Quality Assurance Consulting, but no good answers.

AltaVista: +"quality assurance" +"quality control" +host:edu
    Trying to find a course; still 6500 pages available...
    Third page: PowerPoint presentation titled "Quality Assurance and Quality Control" at the School of Chemistry, Univ. of New South Wales
    On second slide found a reference to "ISO8402 Quality Vocabulary"

AltaVista: +"ISO8402" +"quality assurance" +"quality control"
    Five pages found -- finally the payoff!
    Project Management Glossary - Q from the Project Management Forum
    Eight definitions of quality, Editor's Choice is from ISO8402:

The totality of features and characteristics of a product or service that bear on its ability to satisfy stated or implied needs.
    Ten definitions of quality assurance, Editor's Choice is from ISO8402:
All those planned and systematic actions necessary to provide adequate confidence that a product or service will satisfy given requirements for quality.
    Eight definitions of quality control, From ISO8402:
The operational techniques and activities that are used to fulfill requirements for quality.

Editor's Choice from Welcom - Glossary:

The process of monitoring specific project results to determine if they comply with relevant standards and identifying ways to eliminate causes of unsatisfactory performance.


UD ITUE Comments, suggestions, or requests to ghw@udel.edu.
"http://www.physics.udel.edu/~watson/chns/challenge/2.html"
Last updated February 17, 2000.
© George Watson, Univ. of Delaware, 2000.