Quality Management & Reliability
Quality Management & Reliability
Software quality is measured through multi-dimensional attributes such as functional suitability, performance efficiency, and security.
This section covers 13 topics.
Introduction to this section and its core frameworks.
A management philosophy developed from the quality thinking of W. Edwards Deming, Joseph Juran, Kaoru Ishikawa, and others, in which customer satisfaction is the…
A quality management methodology devised by Walter Shewhart and popularized by W. Edwards Deming, in which the four stages Plan → Do → Check → Act are repeated in a…
An international standard (the successor to ISO/IEC 9126) that defines quality characteristics and sub-characteristics for evaluating the quality of a software product.
A data-driven quality improvement methodology that aims to minimize variation in every process to achieve a defect rate of 3.4 or fewer per million opportunities (3.4…
An integrated management system that measures a service’s performance and reliability with objective indicators (SLI), sets target values to be achieved (SLO), and…
A quality management analysis model that systematically classifies and quantifies all costs incurred to ensure product/service quality (control costs) alongside the…
A causal diagram developed by Kaoru Ishikawa, a pioneer of Japanese quality management, that represents the effect (problem or defect) as a fish’s head and categories…
A principle discovered by the Italian economist Vilfredo Pareto stating that 80% of all effects arise from 20% of all causes — an imbalanced distribution. In quality…
A deductive methodology that calculates the probability of a specific failure (a Top Event) in a system or component by connecting all potential causes that could…
A quality/reliability analysis technique that identifies potential failure modes in advance and quantifies risk using RPN (S×O×D) to establish proactive preventive…
A software measurement framework developed by Victor Basili that uses a three-tier, top-down approach — Goal → Question → Metric — to derive meaningful quality…
A test-specific maturity model developed by the TMMi Foundation based on CMMI, which structures the software testing process into 5 maturity levels and, at each…