5.3.1 Metrics Used in Testing

Metrics can be collected during and at the end of test activities in order to assess:

  • Progress against the planned schedule and budget

  • Current quality of the test object  Adequacy of the test approach

  • Effectiveness of the test activities with respect to the objectives

Common test metrics include:

  • Percentage of planned work done in test case preparation (or percentage of planned test cases implemented)

  • Percentage of planned work done in test environment preparation

  • Test case execution (e.g., number of test cases run/not run, test cases passed/failed, and/or test conditions passed/failed)

  • Defect information (e.g., defect density, defects found and fixed, failure rate, and confirmation test results)

  • Test coverage of requirements, user stories, acceptance criteria, risks, or code

  • Task completion, resource allocation and usage, and effort

  • Cost of testing, including the cost compared to the benefit of finding the next defect or the cost compared to the benefit of running the next test

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