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Risk Based Testing – Advanced Software Testing: Volume 2

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This eBook is an excerpt from Rex Black’s book, Advanced Software Testing: Volume 2. It consists of the section concerning risk-based testing and how risk-based testing responds to risks including identifying those risks, executing a risk analysis, mitigating risks, monitoring the impact of a risk-based test strategy and analysing and reporting on test results.

Material covered in this PDF download:

  1. Risk-Based Testing & Failure Mode and Effects Analysis
  2. Characteristics & Benefits of Risk-Based Testing
  3. The History of Risk-Based Testing
  4. How to do Risk-Based Testing
  5. The Level of Risk
  6. Controlling the Risk
  7. Project Risk
  8. Risk Identification and Assessment Techniques
  9. Categories of Quality Risks
  10. Documenting Quality Risks
  11. Quality Risk Analysis Using ISO 9126
  12. Priortising Risks
  13. Risk Based Testing and the Testing Process
  14. Risk Based Testing Through the Lifecycle


“When you adopt risk-based testing, there are a number of challenges you’ll need to surmount. Many  of  these  are  most  acute  during  the  test planning  activities,  but  they  can — and  do — persist  throughout  the  test  process.  Let  me review  some  of  the  key  challenges  and  offer some ideas on surmounting them.

The  first  of  these  challenges  tends  to  arise during risk analysis. As a test manager leading a quality risk analysis effort, I often have found it difficult  to  build  agreement  and  consensus  on the level of risk associated with one or more risk item. Some will say likelihood is high, some will say it is low. Some will say impact is high, some will  say  it  is  low. This  can  create  a  deadlock  in finalizing  the  quality  risk  analysis  and  reduce the benefits of risk-based testing for the rest of the  test  process  because  the  overall  priority — and  thus  the  effort,  sequencing,  and  potential triage priority—remains in doubt. There  are  various  ways  to  try  to  resolve  these disagreements. “

Editor's Image

Rex Black

With thirty years of software and systems engineering experience, Rex Black is President of RBCS (, a leader in software, hardware, and systems testing. For almost twenty years, RBCS has delivered consulting, outsourcing and training services in the areas of software, hardware, and systems testing and quality. Employing the industry’s most experienced and recognized consultants, RBCS conducts product testing, builds and improves testing groups, and provides testing staff for hundreds of clients worldwide. Ranging from Fortune 20 companies to start-ups, RBCS clients save time and money through higher quality, improved product development, decreased tech support calls, improved reputation, and more. As the leader of RBCS, Rex is the most prolific author practicing in the field of software testing today. His popular first book, Managing the Testing Process, has sold over 50,000 copies around the world, including Japanese, Chinese, and Indian releases, and is now in its third edition. His ten other books on testing, Advanced Software Testing: Volumes I, II, and III, Critical Testing Processes, Foundations of Software Testing, Pragmatic Software Testing, Fundamentos de Pruebas de Software, Testing Metrics, Improving the Testing Process, and Improving the Software Process have also sold tens of thousands of copies, including Spanish, Chinese, Japanese, Hebrew, Hungarian, Indian, and Russian editions. He has written over forty articles, presented hundreds of papers, workshops, and seminars, and given about fifty keynotes and other speeches at conferences and events around the world. Rex is the past President of the International Software Testing Qualifications Board and of the American Software Testing Qualifications Board.

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