Many organizations undergo process improvement using the CMMI in order
to be rated at a particular level. Therefore, these organizations will need a Class A
Appraisal Method at some time and today that means a SCAMPI. The usage of a
Class B or Class C appraisal will depend largely upon the organization??™s process
improvement and appraisal strategy. Examples follow.
Strategy One: A Class B appraisal is used to initiate an organizational-level process
improvement program by identifying the majority of weaknesses against
the CMMI. The process improvement plan is based on the identified weaknesses.
Class C appraisals would then be performed periodically to measure
n
284 n Interpreting the CMMI
progress against the process improvement plan and to determine readiness for
a follow on Class B appraisal or a Class A appraisal.
Strategy Two: Class C appraisals are used on subsets of the organization.
These subsets are based on business areas or project size. The process improvement
plan is based on the aggregation of the weaknesses found.
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