Introduction to Vertical Story Slicing
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The document outlines a webinar on agile consulting, focusing on user stories, specifically their structure and the innovative concept of vertical story slicing. It emphasizes the importance of creating effective user stories using the INVEST criteria—Independent, Negotiable, Valuable, Estimable, Small, and Testable—and explains various story slicing patterns through practical exercises, such as booking flights. The content encourages simplifying user stories to enhance communication, clarity, and team collaboration.
Introduction to Vertical Story Slicing
- 1. appliedframeworks.com AGILE CONSULTING | ONLINE TRAINING | CLASSROOM TRAINING Welcome to Vertical Story Slicing Takes the Cake A Webinar presented by Kim Poremski & Laura Richardson July 14, 2020
- 2. Thank you for joining Kim Poremski Principal Consultant CSP-PO, CSP-SM, SPC https://www.linkedin.com/in/kimberlyporemski/ kporemski@appliedframeworks.com Laura Caldie Richardson SVP Sales +1(415)265-2200 https://www.linkedin.com/in/lauracaldierichardson/ lrichardson@appliedframeworks.com
- 3. What is a User Story? 3Cs – Card, Conversation, Confirmation Card – details are small enough to fit on a single index card Conversation – discuss WHAT is needed and WHY Confirmation – how will we know the desired outcomes have been achieved? • Lightweight tool derived from Extreme Programming • Written from perspective of a customer or end user • Stories represent a single, testable concept, or idea • Shifts focus from writing about requirements to talking about them
- 4. Do you have a good story to tell? •A good user story should include the following: • Roles/Users • Desired capabilities/outcomes • Value • Acceptance Criteria • Pictures, sketches, or diagrams to support text •Recommended format: • As a User, I want Value, by/through Feature
- 5. Too big Carryover to next sprint Incomplete, dependent stories Equally important What’s the difference? Changing sprint cadence Too technical Sound Familiar?
- 6. INVEST in Good User Stories Independent Negotiable Valuable Estimable Small Testable I N V E S T
- 7. Advantages of INVEST ◆ Confusion and miscommunication ◆ Bottlenecks ◆ Unusable fragments of code ◆ Carryover to subsequent sprints (DoD) ◆ Multiple, innovative options ◆ Simplicity ◆ Full team ownership ◆ Shared understanding ◆ Story readiness ◆ Fast delivery of shippable increments ◆ Consistency and predictability ◆ MORALE! ◆ From delivery of specs to delivery of VALUE ◆ From solutions to goals
- 8. What is Vertical Story Slicing?
- 9. What is Vertical Story Slicing? ∙ Modify universe to add data element X to SQL query ∙ Build a table to store dates and date ranges ∙ Create a job to pull data into a database ∙ Convert data to use new data model ∙ Create a new endpoint on the existing web service to return a static list of filter options Horizontal Vertical ∙ As a Sales Manager, I want to determine if I need to hire more field sales representatives by viewing last year’s sales figures. ∙ As a Sales Manager, I want to drive regional sales strategies by filtering data in XYZ report by location.
- 10. Story Slicing Patterns • Workflow steps • Simple/Complex • Business Rule Variations • Major effort • Operations (CRUD) • Variations in Data • Variations in Interfaces/Platforms/Roles • Defer System Qualities • Happy vs. Unhappy Path, Scenarios
- 11. Story Slicing Clues Compound sentences UI as a guide Error handling Must haves/Nice to haves Technical voice
- 12. Reduce, Reduce, Reduce! • Can you simplify or reduce even further? • Remember reducing fractions in grade school? • No number, except 1, can be divided evenly into both the numerator and denominator • 50/100 -> 25/50 -> 5/10 -> 1/2
- 13. But Wait, There’s More! ◆ Break out by workflow steps ▪ Enter billing address ▪ Enter shipping address ▪ Enter payment information ▪ Review Order ▪ Submit Order ◆ Break out by variations in data ▪ Billing address same as shipping address ▪ Billing address different than shipping address ◆ Break out by business rule variations ▪ Enter domestic billing address ▪ Enter international address or military base ◆ Break out by simple vs. complex ▪ Enter domestic billing address with no address validation ▪ Enter domestic billing address with basic address validation using zip code lookup table ▪ Enter domestic billing address that integrates with a 3rd party address validation service As a customer, I want to pay for my purchases online…
- 14. Story Slicing Exercise – Flight Booking System As a frequent air traveler, I want to be able to view flight options across airline carriers so that I can choose the ideal times and best prices. I want to view flight information for all major airlines I want to book departure & returning flights on different airlines. I want to book one-way, two-way, and multi-city flights. I want to filter by airline, price, and time of day. I want to save multiple itineraries and be notified if the itineraries I’ve saved have changed price.
- 15. Let’s Practice Together… I want to book departure & returning flights on different airlines.
- 16. Let’s Practice Together… I want to book departure & returning flights on different airlines. 1. Select departure flight 2. Select return flight 3. Enter passenger information 4. Select seat assignments 5. Select checked luggage options 6. Enter payment information 7. Submit booking Workflow
- 17. Let’s Practice Together… I want to book departure & returning flights on different airlines. Workflow 1. Select departure flight 2. Select return flight 1. Select return flight on same airline as departure flight 2. Select return flight on different airline as departure flight 3. Enter passenger information 4. Select seat assignments 5. Select checked luggage options 6. Enter payment information 7. Submit booking Simple/Complex
- 18. Let’s Practice Together… I want to book departure & returning flights on different airlines. 1. Select departure flight 2. Select return flight 1. Select return flight on same airline as departure flight 2. Select return flight on different airline as departure flight 3. Enter passenger information 1. Enter frequent traveler information 4. Select seat assignments 5. Select checked luggage options 6. Enter payment information 7. Submit booking Workflow Simple/Complex Variations in Data
- 19. Story Slicing Exercise – Flight Booking System As a frequent air traveler, I want to be able to view flight options across airline carriers so that I can choose the ideal times and best prices. I want to view flight information for all major airlines I want to book departure & returning flights on different airlines. I want to book one-way, two-way, and multi-city flights. I want to filter by airline, price, and time of day. I want to save multiple itineraries and be notified if the itineraries I’ve saved have changed price. ✓
- 20. Let’s Practice Together… I want to view flight information for all major airlines
- 21. Let’s Practice Together… 1. For Major Airline #1, view Departure and Arrival Times for a specified date, departure city, and destination city Major Effort + Variations in DataI want to view flight information for all major airlines
- 22. Let’s Practice Together… 1. For Major Airline #1, view Departure and Arrival Times for a specified date, departure city, and destination city 2. For Major Airline #2, view Departure and Arrival Times for a specified date, departure city, and destination city Major Effort + Variations in Data Or Variations in InterfacesI want to view flight information for all major airlines Major Effort or Variations in Interfaces
- 23. Let’s Practice Together… 1. For Major Airline #1, view Departure and Arrival Times for a specified date, departure city, and destination city 2. For Major Airline #2, view Departure and Arrival Times for a specified date, departure city, and destination city 3. For Major Airline #3, view Departure and Arrival Times for a specified date, departure city, and destination city Major Effort + Variations in Data Or Variations in InterfacesI want to view flight information for all major airlines Major Effort or Variations in Interfaces Major Effort or Variations in Interfaces
- 24. Let’s Practice Together… 1. For Major Airline #1, view Departure and Arrival Times for a specified date, departure city, and destination city 2. For Major Airline #2, view Departure and Arrival Times for a specified date, departure city, and destination city 3. For Major Airline #3, view Departure and Arrival Times for a specified date, departure city, and destination city 4. Show layover cities and duration 5. Show type of aircraft 6. Show food service options Variations in Interfaces + Variations in Data I want to view flight information for all major airlines Variations in Interfaces Variations in Interfaces Variations in Data
- 25. Story Slicing Exercise – Flight Booking System As a frequent air traveler, I want to be able to view flight options across airline carriers so that I can choose the ideal times and best prices. I want to view flight information for all major airlines I want to book departure & returning flights on different airlines. I want to book one-way, two-way, and multi-city flights. I want to filter by airline, price, and time of day. I want to save multiple itineraries and be notified if the itineraries I’ve saved have changed price. ✓✓
- 26. Story Slicing Exercise – Flight Booking System As a frequent air traveler, I want to be able to view flight options across airline carriers so that I can choose the ideal times and best prices. I want to view flight information for all major airlines I want to book departure & returning flights on different airlines. I want to book one-way, two-way, and multi-city flights. I want to filter by airline, price, and time of day. I want to save multiple itineraries and be notified if the itineraries I’ve saved have changed price. ✓✓
- 27. Story Slicing Like a Boss!
- 28. THANK YOU!