There is no exact answer to the second part of this question. The selected
projects need to provide representative coverage of the life cycles in use in
the organization. In other words, the sum of the selected projects??™ life cycles
needs to cover the organization??™s life cycle.
5. How is model coverage determined?
Response: If by ???model coverage??? you are referring to verifying and validating
objective evidence, this is determined by reviewing documents and
artifacts and affi rmations for each practice.
If by ???model coverage??? you are referring to reference model scope, this is
determined by the Lead Appraiser reviewing appraisal goals with the sponsor
and ensuring the sponsor makes an informed choice.
6. Do you characterize implementation of model practice instantiation on the
basis of specific and generic practices, or at the subpractice level?
Response: Appraisals consider three categories of components as defined
by the CMMI:
Required??”Includes specific and generic goals
Expected??”Includes specific and generic practices
Informative??”Includes subpractices, discipline amplifications, generic
practice elaborations, and typical work products
So to be compliant with the model, we would characterize implementation
based on specific and generic practices and use subpractices to guide interpretation
of the practices.
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