Software QA Testing Question:

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The objective of regression testing is to test that the fixes have not created any other problems elsewhere. The objective is to ensure the software has remained intact. A baseline set of data and scripts are maintained and executed to verify that changes introduced during the release have not "undone" any previous code. Expected results from the baseline are compared to results of the software under test. All discrepancies have to be highlighted and accounted for, before the testing can proceed to the next level.