BS ISO IEC 33063 pdf download

BS ISO IEC 33063 pdf download.Information technology — Process assessment — Process assessment model for software testing
1 Scope
This International Standard — defines a process assessment model that meets the requirements of ISO/IEC 33004 and that supports the performance of an assessment of process capability using the process measurement framework defined in ISO/IEC 33020. The process assessment model provides indicators for guidance on the interpretation of the process purposes and outcomes as defined in ISO/IEC/IEEE 29119-2 and the process attributes as defined in ISO/IEC 33020, and — provides guidance, by example, on the definition, selection, and use of assessment indicators. A process assessment model comprises a set of indicators of process performance and process capability. The indicators are used as a basis for collecting the objective evidence that enables an assessor to assign ratings, following the requirements of ISO/IEC 33002. The set of indicators included in this International Standard is not intended to be an all-inclusive set nor is it intended to be applicable in its entirety. Subsets that are appropriate to the context and scope of the assessment should be selected. The process assessment model in this International Standard is directed at assessment sponsors and competent assessors who wish to select a model and associated documented process method for assessment (for either capability determination or process improvement). Any process assessment model for software testing meeting the requirements defined in ISO/IEC 33004 concerning models for process assessment may be used for assessment. Different models and methods might be needed to address differing business and testing needs. This assessment model is provided as an exemplar of a model meeting all the requirements expressed in ISO/IEC 33004.
4 Overview of the process assessment model
4.1 General ISO/IEC 33063 provides an exemplar Process assessment model (PAM) for software testing that includes examples of assessment indicators. The process reference model (PRM) defined in ISO/IEC/IEEE 29119-2, together with the process attributes defined in ISO/IEC 33020, establish the process assessment model used as a common basis for performing assessments of software testing process capability, allowing for the reporting of results using a common rating scale. The process assessment model is a two-dimensional model of process capability. In one dimension, the process dimension, the processes are defined and classified into process categories. In the other dimension, the capability dimension, a set of process attributes grouped into capability levels is defined. The process attributes provide the measurable characteristics of process capability.Figure 1 shows the relationship between the general structure of the process assessment model, ISO/IEC 33020 and ISO/IEC/IEEE 29119-2. The process reference model and the capability dimension defined in ISO/IEC 33020 cannot be used alone as the basis for conducting reliable and consistent assessments of process capability since the level of detail provided is not sufficient. The descriptions of the process purpose and outcomes in the process reference model, and the process attribute definitions in ISO/IEC 33020, need to be supported with a comprehensive set of indicators of process performance and process capability that are used for assessment performance. The exemplar process assessment model for software testing defined in ISO/IEC 33063 is conformant with the ISO/IEC 33004 requirements for a process assessment model, and can be used as the basis for conducting an assessment of software testing process capability.4.2 Structure of the process assessment model 4.2.1 Overview This clause describes the detailed structure of the process assessment model and its key components. This process assessment model expands upon the process reference model by adding the definition and use of assessment indicators. Assessment indicators comprise of indicators of process performance and process capability. These are defined to support the assessor’s judgment of the performance and capability of an implemented process. Clause 5, together with its associated Annex C, describes the components of the process dimension. Clause 6 describes the components of the capability dimension while Annex A provides a demonstration of conformity that meets the requirements of ISO/IEC 33004. ISO/IEC 33004 requires that processes included in a process reference model satisfy the following criterion: “The fundamental elements of a process reference model are the set of descriptions of the processes within the scope of the model. These process descriptions shall meet the following requirements: a) a process shall be described in terms of its purpose and outcomes; b) the set of process outcomes shall be necessary and sufficient to achieve the purpose of the process; c) process descriptions shall not contain or imply aspects of the process quality characteristic beyond the basic level of any relevant process measurement framework conformant with ISO/IEC 33003.”