Quality Assurance vs Quality Control QA vs. QC

What worked yesterday might not work today — that’s why QA must evolve along with product offerings. Craig Bayer, CEO of Optiable, is another happy user of SweetProcess. Optiable is a company that helps law firms leverage technology in streamlining their workflow by creating a more organized structure for them.


A reviewer is an expert who reviews the software, notes downs the issues, and suggests the modifications. Bernie Roseke, P.Eng., PMP, is the president of Roseke Engineering. As a bridge engineer and project manager, he manages projects ranging from small, local bridges to multi-million dollar projects.

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If we do our work correctly and without error, we are efficient and maximize revenues by limiting the time spent on a project. In an hourly scenario, we are paid by the hour for the work we do – up to the limit of our fee. In this scenario, the efficiencies are different because we cannot capture full revenue unless we expend every hour budgeted.

  • The cost and time needed to fix the problem correlate with how early you identify the defect.
  • Thus, QA works towards preventing issues before they occur through process design.
  • Whether you invest internally in QC and QA teams or turn to a testing partner for help, skimping on digital quality could cost your business more in the long run.
  • QA consultants look at how well test cases cover the project requirements observed at every SDLC stage.
  • The bugs are raised to the developers, who then try to fix them.

In this paper, we will share our insights on the quality assurance and testing process, our best practices and preferred strategies. There are various models and standards that provide a regulatory framework for quality assurance. For example, ISO 7025 specifies what testing and calibration laboratories must do to become accredited, specifying a number of management and technical requirements. Quality assurance control systems are the methods and procedures which are used to safeguard quality standards. Quality control systems measure parts, including the outputs of the system. Nowadays, we know that it’s not easy for companies to engage in digital transformations.

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It is systematic approach carried under controlled conditions to determine the relationship between factors affecting a process and the output of the process. It is used to manage process in order to analyse which input has the significant impact and what steps can be taken to optimize the output. Experience the #1 QMS software for medical device companies first-hand. Regarding Quality Assurance here is the ultimate 87 item quality assurance checklist to test before launching a new app. Both aspects are part of Quality Management and are used not only in software development but in other industries as well.

What do QA and QC have in common

For example, if there is an error in the specifications, detecting it early in the planning stage wouldn’t cause significant losses to your business. However, the damage grows exponentially throughout the further stages of the process. If such an error is detected at the design stage, you will need to rework your designs to fix it. But if you aren’t able to detect the mistake before the product is built, you might need to make some major changes to the design as well as the source code.

If you can’t measure the value of your efforts, you can’t explain or even justify your testing investment

However, Quality Assurance contains so much more than just tests and requirements. Quality Control and Quality Management are two other popular terms which I also hear frequently. It’s easy to get confused in these discussions and in a client-supplier relationship it is very important to speak the same language in order to minimize misunderstandings. Walk-throughs are usually conducted for the high level documents such as specifications documents, design documents. Walk-throughs are useful especially if the audience is people who do not understand the software easily.

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Live up to your customer expectations and thrive on the market competition all at once. Quality Assurance and Quality Control can enhance your product giving you the much-needed breakthrough. Although there are many practices to ensure the product quality QA and QC are the most primitive and quintessential.

Top challenges faced by construction quality assurance managers

The goal is to identify and correct product flaws, eventually leading to process improvement and an overall decrease in defects. Quality assurance and quality control are complementary parts of a quality management system, yet serve very distinct roles with different purposes. Without knowing how the two quality functions differ and intersect, your QMS processes will struggle, and more importantly, you’ll struggle to ensure your medical device is safe and effective.