Design verification is the process of checking whether the design of the product meets the specified requirements. For example, if you're designing a chair, you might verify whether the chair is the right height, width, and depth according to the design specifications.
On the other hand, design validation is the process of evaluating whether the final product fulfils its intended use. Using the chair example again, you would validate the design by testing whether it is comfortable to sit in for extended periods of time. It's about making sure the product works well in real-world situations.
Example of Design Verification and Design Validation - Product Chair
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| Design Verification Check Points | Design Validation Check Points |
| Dimensions | Different people sitting for extended period to check comfortability |
| Load Testing | Placing the chair in different environments |
| Materials Used | More frequent sitting in busy office setting |
Example 2 of Design Verification and Design Validation - Product Mobile Phone
| Design Verification Check Points | Design Validation Check Points |
| Size of phone screen | Testing call Quality |
| Dimensions of Phone | Screen is easily readable under different lighting conditions |
| Battery specifications | Battery life under various conditions |
