better quality through scrum (2011)
DESCRIPTION
2011 Edition of my Better Quality through Scrum sessionTRANSCRIPT
![Page 1: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/1.jpg)
Dominik Jungowski | CHIP Xonio Online GmbH
Better Quality through Scrum
![Page 2: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/2.jpg)
About me
26 years old
Working at CHIP Xonio Online GmbH
Developer and ScrumMaster for price comparison
Part -‐ Dme studies in psychology at FernUni Hagen
![Page 3: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/3.jpg)
What is Scrum?
How Scrum works
MeeDngs, ArDfacts & Roles
DefiniDon of Done
Bugs
DeducDons
Scrum at CHIP
Agenda
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What is Scrum?
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Scrum is...
like a recipe
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Scrum is not...
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A classical team
Project manager
Stakeholder
Customer
Stakeholder
Customer
Developer
Developer
Developer
Developer
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A Scrum team
Product Owner
Stakeholder
Customer
Stakeholder
Customer
ScrumMaster
Developer
Developer
Developer
Team
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How Scrum works
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How Scrum works
Agile project management
IteraDons („sprints“)
Framework
Inspect & Adapt
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How Scrum works
ProjectProduct Backlog
Sprint Product
Sprint Product
Sprint Product
Potentially shippable product after each sprint
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every dayregularly The Scrum Process
How Scrum works
Product Backlog
EsDmaDonMeeDng
EsDmated Product Backlog
Sprint Planning I Sprint Planning II
Daily Standup
Review MeeDngRetrospecDve MeeDng
Sprint Backlog
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Meetings & Artifacts
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Meetings & Artifacts
Maintained by the Product Owner
Consists of user stories
PrioriDzed
EsDmated in EsDmaDon MeeDng
Product Backlog
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Estimation MeetingWhat‘s about to come?
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Meetings & Artifacts
User stories esDmated in storypoints
EsDmated by whole team
Knowing what will come
Regularly
EsDmaDonMeeDng
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Meetings & Artifacts
EsDmaDonMeeDng
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Sprint Planning ISetting the goal
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Meetings & Artifacts
Product Owner presents the Sprintgoal
Product Owner presents the user stories
Team pulls the user stories
Acceptance criteria, etc. are wriZen down
Sprint Planning I
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Sprint Planning IIHow to reach the goal
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Meetings & Artifacts
Sprint Planning II
„The result of this mee/ng is, that everybody knows how the team can cope the tasks together. You do not decide on who does what.“
-‐ Boris Gloger, Scrum: Produkte zuverlässig und schnell entwickeln
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Meetings & Artifacts
Tasks for selected user stories are generated
Generated tasks take no longer than 8 hours / 1 workday
Sprint Backlog is created
Everybody knows about the „how“
Sprint Planning II
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Daily StandupWhere do we stand?
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Meetings & Artifacts
Same Dme, same place, every day!
Team sychronizes itself
Sprint Backlog is updated
Burndown Chart is updated
Public
Time for discussion a_erwards
Daily Standup
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Meetings & Artifacts
What have I done since the last standup?
What will I do unDl the next standup?
What‘s impeding me?
Daily Standup
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Meetings & Artifacts
Sprint Backlog
User Story To DoWork in Progress
Done
Task
Task Task Task
Task Task
Story 1
Story 2
Story 3
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Meetings & Artifacts
Sprint Backlog
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Meetings & Artifacts
Sprint Backlog
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Meetings & Artifacts
Burndown Chart
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![Page 31: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/31.jpg)
Review MeetingLet‘s show the cake!
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Meetings & Artifacts
Review MeeDng
„The Scrum-‐Team shows the results of their work to the End User. The team members want to have feedback. This feedback can be used to create or change Backlog Items.“
-‐ Scrum with Boris Gloger
![Page 33: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/33.jpg)
Meetings & Artifacts
Only completed, working so_ware is presented
No slides!
Review MeeDng
![Page 34: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/34.jpg)
The cake is not a lie!
Review MeeDng
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Retrospective MeetingImproving the cake
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Meetings & Artifacts
Team reflects on last sprint
„Learning from the past for the future“
Output:
Things the Team wants to improve
Impediments
Similar to a debriefing
RetrospecDve MeeDng
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Inspect & Adapt
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Tweaking your improvements
![Page 40: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/40.jpg)
Rat - Maze - ExperimentExperiment by Tolman & Honzik in 1930
3 groups / 17 days
Tweaking your improvements
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Tweaking your improvements
![Page 42: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/42.jpg)
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Tweaking your improvements
![Page 43: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/43.jpg)
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Tweaking your improvements
![Page 44: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/44.jpg)
Reward your team!
![Page 45: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/45.jpg)
Have a BBQ!
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Roles
![Page 47: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/47.jpg)
Product Owner
Responsible for the product
Maintains the Product Backlog
Has the vision
![Page 48: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/48.jpg)
Team
Self -‐ organized
Delivers
Delivers
Delivers
![Page 49: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/49.jpg)
ScrumMaster
Monitors the Scrum process
Causes course correcDon
Removes impediments
Protects the team
![Page 50: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/50.jpg)
Impediments
Disturb the team
Hold back the team
Impediment Backlog (like Sprint Backlog)
![Page 51: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/51.jpg)
Definition of Done
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![Page 53: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/53.jpg)
Definition of Done
User Story To DoWork in Progress
Done
Task
Task Tas Task
Task Task
Story 1
Story 2
Story 3
![Page 54: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/54.jpg)
Definition of Done
Checklist
Defines when Tasks can be moved to „Done“
Defines when User Stories can be moved to „Done“
![Page 55: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/55.jpg)
Definition of Done
Responsibility lies with the team
Maintained by the team only
PotenDally shippable product every day
![Page 56: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/56.jpg)
Definition of Done
Example: DoD for Tasks
Unit Tested
Runs in the following browsers: Firefox, Internet Explorer, Chrome, Safari
No broken unit tests
Refactored
Reviewed
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Definition of Done
Example: DoD for User Stories
No broken unit tests
Merged into trunk
AddiDonal criteria for specific user stories can be set in Sprint Planning I
![Page 58: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/58.jpg)
Bugs
![Page 59: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/59.jpg)
Bugs
Put them on your Sprint Backlog
Fix them immediately!
Fixed at best unDl the next daily standup
If possible: Don‘t use bugtrackers
![Page 60: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/60.jpg)
Bugs
User Story To DoWork in Progress
Done
Task
Task Tas Task
Task Task
Story 1
Story 2
Story 3
Bug
![Page 61: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/61.jpg)
Meetings & Artifacts
Sprint Backlog
![Page 62: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/62.jpg)
Bugs
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![Page 64: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/64.jpg)
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![Page 65: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/65.jpg)
Bugs
Example: DoD for Bugs
Unit tested
No broken unit tests
Fixed in the following browsers: Firefox, Internet Explorer, Chrome, Safari
Distributed to all web servers
![Page 66: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/66.jpg)
Bugs
What about old Bugtracker lists?
Fix all the bugs or
Delete the list
![Page 67: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/67.jpg)
Deductions
![Page 68: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/68.jpg)
Deductions
No upfront design constant refactoring
![Page 69: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/69.jpg)
Deductions
Working at the sameuser story Pair Programming
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Deductions
Code Reviews Pair Programming
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Deductions
Team commitment Collective Code Ownership
![Page 72: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/72.jpg)
Deductions
Pair Programming Collective Code Ownership
![Page 73: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/73.jpg)
Deductions
Nobody likes fixing bugs Test - DrivenDevelopment
Definition of Done
Fixing bugs immediately
![Page 74: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/74.jpg)
Deductions
Test - DrivenDevelopment
ContinuousIntegration
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Scrum at CHIP(Price comparison only)
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Bugs per Month
![Page 77: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/77.jpg)
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![Page 78: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/78.jpg)
„Companies, managers should understand, that their employees want to work. Trust them, that they want to do a good job.“
hLp://feedproxy.google.com/~r/borisgloger-‐de/~3/U2zztp7jcW8/
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Questions?
![Page 80: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/80.jpg)
LiteratureKen Schwaber: „Agile Project Management with Scrum“
(Microsoft Press)
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LiteratureBoris Gloger: „Scrum: Produkte zuverlässig und schnell entwickeln“
(Hanser Fachbuch)
![Page 82: Better Quality through Scrum (2011)](https://reader033.vdocuments.us/reader033/viewer/2022051818/54bdb2474a7959ef6d8b45ae/html5/thumbnails/82.jpg)
LiteratureMike Cohn: „Succeeding with Agile: Software Development using Scrum“
(Addison-Wesley Signature)
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