Interpreting the CMMI: A Process Improvement Approach, Second Edition

Once upon a time, there were three assessment types:
Software Capability Evaluations (SCEs)
CMM-Based Appraisals for Internal Process Improvement (CBA IPIs)
Standard CMMI Appraisal Method for Process Improvement (SCAMPI)
Your organization may have heard of these assessments or even participated in one or more. The latest type is the SCAMPI. Because the SCAMPI is based on the techniques of its predecessors, we describe each in turn.
Previously, there were three families of SCEs:
Acquisition
Contract Monitoring/Process Monitoring
Internal Evaluations
Compared to only one type of CBA IPI:
Internal Process Improvement (IPI)
An Acquisition SCE was used by an organization to evaluate the capabilities of vendors vying for contracts; a Contract Monitoring SCE was used to monitor the performance of vendors or in-house units performing contracts; a Process Monitoring SCE was used to baseline current performance and then later to measure progress against that baseline; and an Internal Evaluation was used to baseline practices internal to an organization, begin internal process improvement activities, and measure progress. This last usage of the SCE maps to the functionality provided by the CBA-IPI, and corresponds to the Diagnosing phase of the IDEAL ? model.
Historically, SCEs were first designed only for Acquisition SCEs, that is, for an organization or company to assess the capability of vendors vying for contracts to...