Il grande bluff delle stime

ItalianAgileDay 2011

Transcript

1. Il grande bluff delle stime Luca Grulla @lucagrulla IAD 2011 November, 19th Rome Monday, 23 April 12
2. Get in touch @lucagrulla #iad11 http://joind.in/4522 http://www.lucagrulla.it/ Monday, 23 April 12
3. Estimates Monday, 23 April 12
4. Estimates Velocity Monday, 23 April 12
5. Estimates Velocity Simplicity Monday, 23 April 12
6. Estimates Velocity Feedback loop Innovation Decision making Continuous Delivery Vision Trust Theory of Constraints Simplicity Monday, 23 April 12
7. Something about you... Monday, 23 April 12
8. Monday, 23 April 12
9. Monday, 23 April 12
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11. All these techniques are pivotal to the project success Monday, 23 April 12
12. All these techniques are pivotal to the project success ...or maybe not... Monday, 23 April 12
13. Monday, 23 April 12
14. Estimates and velocity are misused Monday, 23 April 12
15. The 4 steps to delivery epiphany (or how to put estimates on a diet) Monday, 23 April 12
16. The 4 steps to delivery epiphany Monday, 23 April 12
17. The 4 steps to delivery epiphany 1. Understand how estimates are too often used as a contract over collaboration and trust Monday, 23 April 12
18. Bargain on team commitment Monday, 23 April 12
19. The 4 steps to delivery epiphany 1. Understand how estimates are too often used as a contract over collaboration and trust Monday, 23 April 12
20. The 4 steps to delivery epiphany 1. Understand how estimates are too often used as a contract over collaboration and trust 2. Understand how estimates can drive fear Monday, 23 April 12
21. Fear-Driven Decision Making Monday, 23 April 12
22. The 4 steps to delivery epiphany 1. Understand how estimates are too often used as a contract over collaboration and trust 2. Understand how estimates can drive fear Monday, 23 April 12
23. The 4 steps to delivery epiphany 1. Understand how estimates are too often used as a contract over collaboration and trust 2. Understand how estimates can drive fear 3. Acknowledge that velocity-driven delivery kills innovation Monday, 23 April 12
24. High uncertainty contexts Monday, 23 April 12
25. Hang on... Monday, 23 April 12
26. Hang on... I need trackability ! Monday, 23 April 12
27. Back to Basics Monday, 23 April 12
28. What is agile at its root ? Monday, 23 April 12
29. What is agile at its root ? Monday, 23 April 12
30. Control via visibility Monday, 23 April 12
31. Velocity as throughput measure for signed-off stories Monday, 23 April 12
32. Signed off but not deployed stories is just a form of inventory Monday, 23 April 12
33. Continuos Delivery Monday, 23 April 12
34. The 4 steps to delivery epiphany 1. Understand how estimates are too often used as a contract over collaboration and trust 2. Understand how estimates can drive fear 3. Acknowledge that velocity-driven delivery kills innovation Monday, 23 April 12
35. The 4 steps to delivery epiphany 1. Understand how estimates are too often used as a contract over collaboration and trust 2. Understand how estimates can drive fear 3. Acknowledge that velocity-driven delivery kills innovation 4. Embrace the truth that deployed working software is by far the best progress feedback Monday, 23 April 12
36. but let’s be pragmatic Monday, 23 April 12
37. Project Inception Monday, 23 April 12
38. When you are a delivery partner Monday, 23 April 12
39. When your team is starting its journey Monday, 23 April 12
40. Dreyfus model Novice Advanced Beginner Competent Proficient Expert Monday, 23 April 12
41. Dreyfus model Novice Advanced Beginner Competent Proficient Expert ▪ holistic view of situation ▪ prioritises importance of aspects ▪ "perceives deviations from the normal pattern" ▪ employs maxims for guidance, with meanings that adapt to the situation at hand Monday, 23 April 12
42. Dreyfus model Novice Advanced Beginner Competent Proficient Expert ▪ holistic view of situation ▪ prioritises importance of aspects ▪ "perceives deviations from the normal pattern" ▪ employs maxims for guidance, with meanings that adapt to the situation at hand ▪ transcends reliance on rules, guidelines, and maxims ▪ "intuitive grasp of situations based on deep, tacit understanding" ▪ has "vision of what is possible" ▪ uses "analytical approaches" in new situations or in case of problems Monday, 23 April 12
43. Dreyfus model Novice Advanced Beginner Competent Proficient Expert ▪ holistic view of situation ▪ prioritises importance of aspects ▪ "perceives deviations from the normal pattern" ▪ employs maxims for guidance, with meanings that adapt to the situation at hand ▪ transcends reliance on rules, guidelines, and maxims ▪ "intuitive grasp of situations based on deep, tacit understanding" ▪ has "vision of what is possible" ▪ uses "analytical approaches" in new situations or in case of problems Monday, 23 April 12
44. Simplicity is the key Monday, 23 April 12
45. Thank You ! Monday, 23 April 12
46. Questions ? feedback: http://joind.in/4522 @lucagrulla #iad11 Monday, 23 April 12
47. Images credits • http://images.cdn.fotopedia.com/flickr-3167236184-original.jpg • http://www.fotopedia.com/items/flickr-4627993735 • http://images.cdn.fotopedia.com/flickr-3110676430-original.jpg • http://images.cdn.fotopedia.com/flickr-2200500024-original.jpg • http://images.cdn.fotopedia.com/raphael-dXB0J5mDZ-M-original.jpg Monday, 23 April 12