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Businesscase for-quality

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  • 1. The Business Case for Quality by Iwein Fuld Thursday, September 26, 13
  • 2. Iwein Fuld @iweinfuld skype: iwein.fuld Thursday, September 26, 13
  • 3. ⧭ Define Quality ⧬ Cost of Software vs. Quality ⧬ Benefits of Quality ⧬ How does this apply? ⧬ Thursday, September 26, 13
  • 4. working = Quality? If you don’t know how to prove that it works, you have no business building it. Thursday, September 26, 13
  • 5. Development is not easy AT ALL Thursday, September 26, 13
  • 6. It’s hard to get it right Thursday, September 26, 13
  • 7. shit happens Thursday, September 26, 13
  • 8. No blueprint Thursday, September 26, 13
  • 9. Think ahead Thursday, September 26, 13
  • 10. ⧭ Define Quality ⧭ Cost of Software vs. Quality ⧬ Benefits of Quality ⧬ How does this apply? ⧬ Thursday, September 26, 13
  • 11. cost of software Gras gaat niet harder groeien als je eraan trekt. Thursday, September 26, 13
  • 12. Dev Test Acceptance Production The cost of fixing software defects as a function of defect maturity Thursday, September 26, 13
  • 13. Novice Average top 10% Elite Developer productivity vs Developer skills Thursday, September 26, 13
  • 14. 20 devs Large teams vs Small teams 4 devs Thursday, September 26, 13
  • 15. 4 eliteSmall elite teams vs Large teams 20 average http://www.qsm.com/sites/www.qsm.com/themes/diamond/docs/process_01.html Thursday, September 26, 13
  • 16. ⧭ Define Quality ⧭ Cost of Software vs. Quality ⧭ Benefits of Quality ⧬ How does this apply? ⧬ Thursday, September 26, 13
  • 17. benefits of quality There is one rule for the industrialist and that is: Make the best quality of goods possible at the lowest cost possible, paying the highest wages possible. Henry Ford Thursday, September 26, 13
  • 18. Better feedback Thursday, September 26, 13
  • 19. Better feedback Now Goal Thursday, September 26, 13
  • 20. SPEED Thursday, September 26, 13
  • 21. ⧭ Define Quality ⧭ Cost of Software vs. Quality ⧭ Benefits of Quality ⧭ How does this apply? ⧬ Thursday, September 26, 13
  • 22. Introduce XP practices Hire for high quality Lower budgets Tighten deadlines Iterate faster Thursday, September 26, 13
  • 23. Quality cheap… fast… low risk… Thursday, September 26, 13
  • 24. Quality cheap… fast… low risk… ≣ Thursday, September 26, 13
  • 25. Thursday, September 26, 13