System Testing - International Association for Human Resources Information Management

The test that is conducted to make sure that each program works within the context of the system configuration and a test set of data.

Glossary: Regression Testing
(System Testing) The process of testing a set of system processes or components when a new change has been made to the system to make sure that the change did not introduce any errors to other parts of the system. (Statistics) An attempt to determine the strength of the relationship between one dependent variable and a series of other independent variables.