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Quality Assurance vs Quality Control

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Quality assurance is the process of addressing the causes of quality failures. This includes areas such as materials, designs, engineering, organizational structures, processes, systems and human factors.
Quality control is the process of detecting non-conformances to requirements and specifications in the context of projects and day-to-day operations such as an assembly line.


Quality assurance is an effort to improve an organization to produce quality. Quality control is a process that simply detects non-conformances to quality goals in the form of functional and non-functional requirements and specifications.


A luggage manufacturer has a quality assurance and quality control team. The quality control team detects that the wheels on a particular product don't roll very easily and appear to stick. The quality assurance team investigates by engaging reliability engineering experts and operational teams. They discover that a supplier has changed the materials in a part in the wheel assembly. Quality assurance escalates to management who push the supplier to fix the problem. The quality assurance team implements a process whereby supplied parts are inspected after delivery by quality control to ensure they conform to specifications.
Quality Assurance vs Quality Control
Quality Assurance
Quality Control
The process of addressing the causes of quality failures.
The process of detecting quality failures.


This is the complete list of articles we have written about quality.
Conformance Quality
Cost Of Poor Quality
Credence Quality
Critical To Customer
Critical To Quality
Customer Satisfaction
Data Quality
Defect Density
Defect Rate
Defensive Design
Design Quality
Document Quality
Ease Of Use
Experience Quality
Figure Of Merit
Fit For Purpose
Information Quality
Non-Functional Testing
Operational Testing
Perceived Value
Planned Obsolescence
Product Quality
Quality Assurance
Quality Control
Quality Culture
Quality Examples
Quality Improvement
Quality Management
Quality Metrics
Quality Objectives
Quality Of Life
Quality Policy
Quality Requirements
Quality Testing
Recovery Paradox
Regression Testing
Reliability Engineering
Service Quality
Types of Quality
Acceptance Testing
Work Quality
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