Manual Tester Interview Question: Difference Between Retesting and Regression Testing

Retesting and regression testing are two important types of software testing activities in manual testing. Understanding the difference between the two is crucial for a manual tester. Let's explain the distinction:

Retesting:

Retesting is the process of testing the same functionality or bug fix that was earlier found in the software. After a defect is fixed by the development team, the tester verifies that the issue has been resolved by reexecuting the test cases related to that specific bug. The main goal of retesting is to ensure that the reported bug has been successfully fixed and does not recur.

Regression Testing:

Regression testing is the process of verifying that recent code changes have not affected existing features or functionalities of the software. This type of testing is performed to ensure that new code modifications, bug fixes, or enhancements have not introduced any new defects into the system. Regression testing involves reexecuting test cases that cover both the impacted and related areas of the software.

In summary, while retesting focuses on validating specific bug fixes, regression testing is broader in scope and aims to maintain the overall quality and stability of the software by ensuring that new changes do not cause unintended side effects.

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