Phần mềm-Ứng dụng

input for the process changes. It can be applied to any process in any organization, hence its prominent role in the TMM at level 5. In the

context of the TMM, defect prevention is one responsibility of a tester, and, as previously mentioned, testers can be involved in the application

of the program to improve the general development process and also to reduce defects injected into the test process itself. As an example of the latter, we could have a case where errors occur frequently in specific types of test cases or test procedures. The test organization could then initiate a causal analysis group to analyze these defects, and develop action plans that call for changes in the testing process to address the problem.