Director of Technology
Although a proper and well-thought-out quality assurance (QA) process can find a majority of software defects within a given amount of time, you won’t be able to find and resolve all defects in only one round or one set phase. As your product ages, or as you continue to add new functionality to your product, you will introduce new defects. Over time these changes add up, leading to a bad user experience and/or a broken product.
There are many reasons for this:
This item feeds off the prior, in that it relates to time. Although there is a large QA effort at the end of any software development project, waiting to do all QA at the end of your project will only create more issues and require a higher level of effort. When QA is included as a part of the project from the beginning, you will be more efficient and able to find and correct more issues.
Though you may think that you can save money by having developers do a majority of the QA work within their own projects, you’ll find that this will only hurt you in the long run. Why? First, hourly rates for developers are normally higher than rates charged for QA work, leading to a higher overall cost and a lower quality product. Second, developers can become “code blind” to their own work, preventing them from seeing very important usability issues that a QA analyst would find.
There's a big misconception that QA testing is easy. On the contrary, QA analysts bring deep knowledge of different system functionality and testing techniques that others would not be able to provide. They also challenge developers and other stakeholders. Which again, ultimately leads to a better final product.
The quality of your software is one of the most important aspects of a successful product. Without proper QA to provide checks and balances to both stakeholders and developers you can never truly be certain that what you're providing to your users is what you actually want to deliver in the first place.
Keep these points in mind when embarking upon your next software development project and I promise you won’t be disappointed with the results!
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