Described is an enhancement to Acceptable Quality Level testing (i.e., AQL evaluations) which provides better assessments of supplier quality, with less effort.
Enhancement to Acceptable Quality Level Testing: AQL Issues and Resolution
Someone asked for assistance with the following issue:
I think that AQL sampling can be very deceiving. For example, I am confused by what is considered to be a “bad” lot?…Within companies there is a cultural difference between accepting the AQL procedure approach and the improved alternative that you suggest.
The AQL procedure has issues and can lead to a fire fighting mentality that is very wasteful in terms of time and costs. My response to this person can be found in the PDF document-link below.
For additional discussion about AQL issues and resolution, click here. This link could also be useful to explain to others the benefit of the enhancement to AQL that is being suggested.
Enhancement to Acceptable Quality Level Testing: An Integrated Enterprise Excellence (IEE) Approach
What is needed is an alternative to an AQL’s approach, which basically attempts to “test quality into a product”. An approach is needed that enhances supplier quality from a process point view and provides direction for: