The following is a graphical representation of the spiral testing methodology and consists of an overview relating the methodology to Deming’s Plan–Do–Check–Act (PDCA) quality wheel, parts, steps, and tasks.
Exhibit A.1 Continuous improvement.
Exhibit A.2 Information gathering.
Exhibit A.3 Test planning.
Exhibit A.4 Test case design.
Exhibit A.5 Test development.
Exhibit A.6 Test execution/evaluation.
Exhibit A.7 Prepare for the next spiral.
Exhibit A.8 Conduct system testing.
Exhibit A.9 Conduct acceptance testing.
Exhibit A.10 Summarize/report spiral test results.