1 Scope
This International Standard sets out the requirements for process reference models, process assessment models, and maturity models. The requirements defined in this International Standard form a structure which specifies
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a) the relationship between the classes of process model associated with the performance of process assessment,
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b) the relationship between process reference models and prescriptive/normative models of process performance, as constituted by, for example, the activities and tasks defined in ISO/IEC 12207[1] and ISO/IEC 15288[2],
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c) the integration of process reference models and process measurement frameworks to establish process assessment models,
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d) the use of common sets of assessment indicators of process performance and process quality in process assessment models, and
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e) the relationship between maturity models and process assessment models and the extent to which a maturity model can be constructed using elements from different process assessment models.