Quality Assurance vs Quality Control – what’s the difference?

Quality Assurance is a set of activities that ensure quality in the process by which products are developed. These activities are procedural and are based within a quality system that provides a road map for the team to follow so that the product or service meets the project goals. Whereas, Quality Control is a set of activities that ensure quality within a product. The activities focus on identifying defects in the product or service being produced.

What does quality mean?

Quality is meeting the requirements, expectations, and needs of a customer by bringing to them a product or service free from defects.

The different focuses of QA and QC

QA focuses on the processes used to manufacture a product.

QC focuses on identifying and correcting defects within a product during manufacturing.

QA and QC’s Goals

The goal of QA is to always be improving the development processes to reduce the number of defects in the product being produced.

The goal of QC is to identify defects and fix them before the product reaches the customer.

Who is responsible for QA and QC?

The entire development team are responsible for QA.

A dedicated Quality Control team are responsible for QC.

QA and QC Bias

QA is process biased.

QC is product biased.


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