Training session on Agile User Stories Techniques and patterns to Slice in smaller User Stories

1. User Stories
New Delhi, March 2015
Damián Buonamico

2. 2
User Stories
Agile Technique for
Agile Requirements

3. 3
User’s Point of View

4. 4
Valuable to the Final User

5. 5
✗
✔ What
✔ Why
How
Feature Description
User needs
Business Goals
Opportunities
Database
Structure to use

6. 6
No Tech Jargon

7. 7
I.N.V.E.S.T. in
Good User Stories

8. 8
I.N.V.E.S.T
Independent
Value Driven

9. 9
I.N.V.E.S.T
Negotiable
(Before Sprint)

10. 10
I.N.V.E.S.T
Valuable to User

11. 11
I.N.V.E.S.T
Estimatable

12. 12
I.N.V.E.S.T
Small
Several Fits in a Sprint

13. 13
I.N.V.E.S.T
Testable
✗
✔ Acceptance Criteria 1
✔ Acceptance Criteria 2
Acceptance Criteria 3

14. 14
Acceptance Criteria
"All fields have validation against invalid type of data"
"Error message are informed to the user,
regarding his language."
"Protection against spam is working."
"Loading page time is not increased."

15. 15Which release had User Stories?
A B

16. 16Which release had User Stories?
A B

17. 17
Slicing the cake

18. 18
Why Slice?
More work fits in each Sprint
✗ ✔

19. 19
Why Slice?
Easier to Parallel Work

20. 20
Why Slice?
Reduce risk of not delivering value
✗
✔
✔
66%
✔
✔
✗
✔
75%

21. 21
Slicing: By Workflows
Implement product
certifications for security
1) As a Buyer I want to see the certification
2) As a Seller not yet certificated…
3) As a Seller with already created certificate…

22. 22
Slicing: By Business Rules
As a Buyer I want to filter
my search according to all
the business rules.
1) As a Buyer I want to see only recent adds
2) As a Buyer I want to see only ads in my town
3) As a Buyer I want to see ads with pictures

23. 23
Slicing: By Major Effort
As a Seller I want to modify
my posting.
1) As a Seller I want to modify contact data
2) As a Seller I want to modify item data
3) As a Seller I want to add more pictures
4) As a Seller I want to delete pictures

24. 24
Slicing: By Complexity
Validate data when user
register as a new User
1) Server Side validation after submitting the form
2) Validation at the moment of entering the
username.

25. 25
Slicing: By Data
I want to auto locate my
self in my city
1) I want to auto-locate in the main 5 cities
2) I want to auto-locate in the next 15 cities

26. 26
Slicing: By Entry Methods
As a Seller I want to add
pictures
1) From the Photo Gallery
2) From the Camera
3) From a Sharing from another App

27. 27
Slicing: Defer Performance
As a Buyer I want to search
the cities
1) City Search may have 10 seconds delay
2) Implement Caching to improve performance
Or any other non-functional requirement

28. 28
Slicing: CRUD Operations
As a Seller I want to post,
edit and delete
1) As a Seller I want to Post an Ad
2) As a Seller I want to See it
2) As a Seller I want to Edit it
3) As a Seller I want to Delete it

29. 29
Slicing: By Platform
1) As an Android User
2) As an Web User
I as buyer I want to
Favorite an Ad

30. 30
Slicing: By Language
1) With my name in English
2) With my name in Hindi
I want to reply in Ad

31. 31
Slicing: Buy / Build
1) Hiring a service provider
2) Implementing own service
As a PM I want to have A/B
Testing

32. 32
Slicing: Generic / Custom
1) Using the standard Android Library
2) Implementing a Custom Library
As an Android Seller I want
to add pictures

33. 33
Slicing: By User
1) As an Anonymous User
2) As an Registered User
I as buyer I want to
Favorite an Ad

34. 34
Slicing: Spike
Research and Develop a
new feature
1) Research
2) Implement

35. 35
How not to Slice…
1) Code the Feature without Testing
2) Test and Fix the Bugs Later
1) Develop the Backend and API
2) Create the Client or Frontend

36. 36

37. 37
Questions

38. 38
Feedback to:
Damian Buonamico
damian@buonamico.com.ar
http://www.agileforall.com/2009/10/patterns-for-splitting-user-stories/
http://www.agileforall.com/2012/01/new-story-splitting-resource/
http://xp123.com/articles/twenty-ways-to-split-stories/
References