Choosing and Using a Model

The first step in choosing a model is to understand the improvement goals for the organization. One obvious goal is business need. For example, if an organization must do business with the Department of Defense, it must use the CMMI and do periodic “assessments,” which is a euphemism for process audits. The organization must get a certain rating from the assessment. An objective of receiving a positive rating is different from an objective of lasting process improvement.

After an organization understands its goals, choosing a model is a matter of understanding the questions a particular model is capable of answering. For example, the CMM provides a sequence of stages of process maturity. Each stage answers a set of ...

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