Quality Assurance in Six Sigma

Quintessential features of Six Sigma Quality Assurance

Six Sigma quality assurance approach and methods have definitely set a benchmark for excellence. It has been done by simply raising the standards of quality through implementation of a methodical quality management approach. Quality system suggested by Six Sigma has created quite a buzz in almost every industry including healthcare, retail, BPO etc. Such state-of-the-art methods are developed with the sole objective of testing the important products and services to  ensure that they are fulfilling the criteria of desired standards and customer’s expectations pertaining to the products are successfully met. With the ever increasing demand of quality products, Six Sigma quality management has become the prime concern for organizations all over the world for survival and profitability.

Six Sigma Green Belt approach is not only about ensuring quality in production, but also about promising and delivering quality. Promising quality is all about assuring the vital customers that the services and products being provided are of best quality. For delivering quality consistently, it is of paramount importance to adapt to the industry-approved testing techniques and methodologies. It is the job of quality assurance office to look after all such aspects of product development and deliver excellence. Let’s have a look at the roles and responsibilities of a quality assurance officer-

Roles and Responsibilities of Quality Assurance Officer

  1. He is responsible to ensure the quality of products and services; and thereby take care of the entire process of QA in software development cycle.
  2. It is a quality assurance officer’s lookout to maintain the high standards of a product or service.
  3. One of the most important responsibilities is that he has to improve the already set QA standards that are already set.
  4. He is also responsible to over-view sales statistics and check out the possible drops in sales because of not-so-good quality of products and services.
  5. It is the responsibility of the QA officer to make sure that the definition of quality is understood by all the employees to achieve the common goal.

With the passage of time, the quality assessment and testing techniques have undergone revolutionary changes. Therefore, it becomes crucial for a QA office to stay current and updated with the recent product launches, seminars and workshops in quality management domain. This practice can play a good role in maintaining the technical knowledge and keep up with the rapidly growing QA standards. Often people consider quality control and quality assurance the same. In reality, there is a subtle difference in both the methods. As per the quality management system experts, quality control has more emphasis on the product concerned. On the other hand, QA is all about focusing on the process of developing it.

Difference between Quality Control and Quality Assurance

Quality Control

Well... quality control is considered as a system. It is comprised of routine processes and activities, which are specifically aimed to measure and control the overall quality of the concerned product and service. It also involves accuracy check to ensure zero-error in data calculations and estimating the uncertainties. The quality assurance check should be regular. This is how the QC system can ensure data correctness, completeness and also the integrity. One major part of QC is to distinguish errors and rectify them.

Quality Assurance

As mentioned above QA is a process, which is executed to meet the expectations of customers. There is a set of steps which are followed in order to attain the quality management goals. Six Sigma QA approach and quality infrastructure are gaining sky rocketing popularity in this domain as it is known to make use of a planned and systematic process for quality checks. It is done to prevent defects.

Today, a lot of emphasis is laid and will continue to be laid, on the pursuit of perfection, to improve quality. Ideally, businesses are heading towards a zero-defect world. In achieving this perfection, a quality assurance officer will play a crucial part, directly or indirectly.


Nowadays, every individual and business is on a constant pursuit of perfection. Hence, lot of emphasis is laid on quality of products and services delivered. There will be no exaggeration in stating that the modern business is naturally heading to a world with zero-defect. In such a scenario, quality assurance method can work wonders. Already, there is a huge demand for Software quality assurance, and its demand is rapidly growing in other industries as well.

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About the Author


Eshna is a writer at Simplilearn. She has done Masters in Journalism and Mass Communication and is a Gold Medalist in the same. A voracious reader, she has penned several articles in leading national newspapers like TOI, HT and The Telegraph. She loves traveling and photography.

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