The aim of QA is to improve development and test processes to prevent defects and assure quality. Quality assurance is implemented before quality control. They both focus on fulfilling quality, but they’re distinctly different. There is overlap between quality assurance and quality control. QC is reactive because it exists to identify – and correct – defects and errors after they’ve happened. It uses test procedures to verify that a finished product is safe, effective and meets standards. These processes and actions – such as documenting standard operating procedures (SOPs) – should ensure the product is safe and effective. It is proactive because it aims to prevent defects and low quality.Įffective quality assurance builds quality controls into the product’s entire life cycle. Quality assurance is a set of processes that ensure quality in the development of a product. QA and QC work together as part of an overall quality management system (QMS) and both are essential for achieving and maintaining regulatory compliance. It’s important to understand the differences and how they both play vital but distinct roles in helping an enterprise achieve the highest quality standards. Many people get confused about what constitutes quality control (QC) and quality assurance (QA).
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