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This document sets forth certain Quality Assurance (QA) Metrics that a business can use to measure the quality system requirements of a product or service. While quality control focuses on output, QA focuses on input and imperfections or mistakes in the production process. This document provides a formula and data items to measure the following QA metrics: effort variance, schedule compliance, defect slippage, requirements stability, effort distribution by phase, schedule variance, defect seepage, total defect percentage, and bug logging defect density.
QA Metrics S. No. Measure Objective Data Items to be collected Units of Data Formula for Measure Item a) Actual efforts spent on various activities/tasks/ work products To improve/refine the b) Estimated efforts for various 1 Effort Variance estimation model activities/tasks/ work products %age (a-b)/b *100 Deliveries made as per the a)Actual no of deliveries made 2 Schedule Compliance plan b)No of Deliveries Planned %age (a/b)*100 To know no of defect slipped a)Defects reported by Supplier' QA 3 Defect Slippage by QA team b) Defects reported by Customer' QA %age (b/(a+b))*100 To improve quality of a)Total no of initial requirements requirement b) No of requirements 5 Requirements Stability analysis/gathering added/deleted/Changed %age (a/a+b)*100 To improve overall Efforts spent on analysis, design, coding (Efforts spent on each phase) / development process vis-à- & unit testing, integration & system (Total efforts spent on the 6 Effort distribution by Phase vis industry benchmark testing separately, as applicable %age project) * 100 a) Actual date of completion of each activity/task/work product/phase b) Planned/Scheduled date of (Actual duration - Planned To improve/refine the completion of each activity/task/work duration) / (Planned duration) * 7 Schedule Variance estimation model product/phase %age 100 a) Total no of Defects detected during review or internal testing To reduce the defect b) Defects detected during review in seepage from QA to next phase or external/user acceptance 8 Defect Seepage AT/Production testing %age (b / a) * 100 To know no of defects occurred in different phases a. defects in specific phase 9 Total Defect ( Phase wise) % of the life cycle. b. Total defects in functionality/ module %age (a/b)*100 To know no of defects occurred in different phases a) Valid Bugs 10 Bug Logging Defect Density of the life cycle. b) Invalid Bugs %age (b/a+b)*100 ned duration) * %age 100 %age (b / a) * 100 %age (a/b)*100 %age (b/a+b)*100 FIS Global Business Solutions India Pvt Ltd Author : SEPG Page 2 of 2