Difference Between
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Quality Assurance vs. Quality Control: Know the Difference

Shumaila Saeed
By Shumaila Saeed || Updated on December 25, 2023
Quality Assurance is a process-oriented practice focused on preventing defects, while Quality Control is product-oriented and concentrates on identifying defects in finished products.
Quality Assurance vs. Quality Control

Key Differences

Quality Assurance (QA) encompasses the systematic activities and methodologies to ensure that the processes used in product development meet specific quality standards. It is a proactive approach.
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Dec 08, 2023
Quality Control (QC), in contrast, is the inspection and testing of products to identify defects. QC is a reactive approach, applied after the product is developed.
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QA is about building a quality system, including standard operating procedures and guidelines, to prevent issues during the production process.
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QC focuses on the operational techniques and activities that are used to fulfill quality requirements for a product, typically involving testing and inspection.
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QA aims to avoid defects with a focus on the process used to make the product, emphasizing continuous process improvement.
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QC seeks to identify and fix defects in the finished products, ensuring that the output meets the quality standards set by the organization.
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Comparison Chart

Focus

Process-oriented (preventing defects)
Product-oriented (identifying defects)
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Approach

Proactive (establishing procedures and standards)
Reactive (testing and inspection of final products)
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Activities

Planning, documenting, auditing processes
Inspection, testing, reviewing products
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Goal

Preventing defects in the production process
Identifying defects in finished products
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Application Stage

Throughout the development process
After the product is developed or at specific checkpoints
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Quality Assurance and Quality Control Definitions

Quality Assurance

A set of activities designed to ensure that the development process meets the specified quality standards.
Their Quality Assurance team established a new protocol to improve software development.
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Quality Control

An essential step in the manufacturing process to ensure product reliability.
Enhanced Quality Control measures significantly reduced the return rate of products.
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Quality Assurance

Involves the creation and implementation of quality management systems.
The new Quality Assurance guidelines helped streamline the manufacturing process.
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Quality Control

A process that involves testing and inspection to ensure that a product meets quality standards.
Quality Control tests revealed flaws in the batch of electronics.
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Quality Assurance

A strategic approach to ensure quality in the entire process of product development.
Quality Assurance measures were enhanced to meet the increasing demand for high-quality products.
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Quality Control

The set of procedures used to check for defects in finished products.
The Quality Control department conducted a thorough review of the apparel before shipment.
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Quality Assurance

The practice of systematically monitoring and evaluating various aspects of a project.
Quality Assurance played a key role in the success of the construction project.
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Quality Control

A product-focused approach to identifying and fixing defects.
Their Quality Control team enhanced the inspection process for better accuracy.
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Quality Assurance

A proactive process focusing on preventing defects in the production cycle.
Quality Assurance in the factory reduced the number of defective parts produced.
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Quality Control

Involves operational techniques to fulfill quality requirements.
Quality Control checks were integral to maintaining high standards in the production line.
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Quality Control

A system for ensuring the maintenance of proper standards in manufactured goods, especially by periodic random inspection of the product.
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Repeatedly Asked Queries

What is Quality Control?

A procedure to identify and correct defects in the finished product.
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Is Quality Assurance part of Quality Control?

No, they are distinct processes; QA is process-oriented, while QC is product-oriented.
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How does Quality Assurance differ from Quality Control?

QA focuses on preventing defects; QC identifies defects in finished products.
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What is Quality Assurance?

It's a systematic process to ensure quality in the development phase of a product.
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Does Quality Control involve testing?

Yes, QC typically involves testing and inspection of products.
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How do Quality Assurance practices impact a business?

QA practices lead to improved product quality, customer satisfaction, and efficiency.
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Is Quality Control expensive?

The cost can vary, but QC is a critical investment for maintaining product quality.
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Is Quality Assurance only applicable to manufacturing?

No, QA is applicable in various sectors, including software development and service industries.
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Can a company have only Quality Assurance and not Quality Control?

While possible, both QA and QC are important for comprehensive quality management.
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Does Quality Control contribute to customer satisfaction?

Yes, by ensuring product quality, QC contributes to higher customer satisfaction.
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What tools are used in Quality Control?

QC uses tools like inspections, testing equipment, and quality checklists.
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Are Quality Control measures taken after product development?

Yes, QC is usually applied after production to screen for defects.
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Does Quality Assurance involve documentation?

Yes, documentation of procedures and standards is a key part of QA.
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Is employee training part of Quality Assurance?

Yes, training employees on quality standards and procedures is a key aspect of QA.
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How frequently should Quality Control checks be performed?

The frequency can vary based on the product and industry standards, but regular checks are important for consistent quality.
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What role does Quality Assurance play in risk management?

QA helps identify and mitigate risks in the development process.
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What is the main objective of Quality Control?

To ensure that the final product meets the specified quality criteria.
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Can Quality Assurance guarantee a defect-free product?

While it reduces the likelihood of defects, it cannot guarantee a completely defect-free product.
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Can Quality Control prevent defects?

QC identifies defects, but prevention is the goal of Quality Assurance.
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How does Quality Assurance affect the bottom line of a business?

By preventing defects, QA can reduce costs and enhance the product's market success.
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About Author
Shumaila Saeed
Written by
Shumaila Saeed
Shumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.

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