Conduct preventive testing as early as possible

Traceability

investment principle

80/20 principle

Focus on regression testing

Introduce independent software testing

Guide test implementation

Planning test data preparation

Write a "design specification" for test scripts

Metric benchmarks for evaluating measurement results

Analyze defect criteria

Test requirements analysis

business process analysis

Test case design

Test case review

Improved and updated test cases

Product basic situation research

Test requirements description

Test strategy and records

Resource allocation

Schedules

Issue tracking report

Test plan review