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Product measures include reliability and
defect density. However, the same source data (for example, defects) can be used
for both product and process measures. A process measure would be defect removal
effectiveness (the percentage of existing defects removed by a process), such as the
inspection process or the testing process. A product measure would be defect density
(the number of defects per unit or product size), such as number of defects per
thousand lines of code that reflects the quality of the product. Basically, it might
help to translate in this PA that Quality measure = Product measure.
Training is critical in this PA, in both modeling techniques and in quantitative
methods.
There are no new generic goals for Levels 4 and 5 in the staged representation
because the process areas include the basic tenets. The continuous representation
does have generic goals because the continuous representation allows the selection
of various process areas. So, you may decide not to select the process areas in Maturity
Level 4.


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