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A Practical Guide to the Most Popular Agile Process
The Single-Source, Comprehensive Guide to Scrum for All Team Members, Managers, and Executives
If you want to use Scrum to develop innovative products and services that delight your customers, Essential Scrum is the complete, single-source reference you’ve been searching for. Leading Scrum coach and trainer Kenny Rubin illuminates the values, principles, and practices of Scrum, and describes flexible, proven approaches that can help you implement it far more effectively.
Whether you are new to Scrum or years into your use, this book will introduce, clarify, and deepen your Scrum knowledge at the team, product, and portfolio levels. Drawing from Rubin’s experience helping hundreds of organizations succeed with Scrum, this book provides easy-to-digest descriptions enhanced by more than two hundred illustrations based on an entirely new visual icon language for describing Scrum’s roles, artifacts, and activities.
Essential Scrum will provide every team member, manager, and executive with a common understanding of Scrum, a shared vocabulary they can use in applying it, and practical knowledge for deriving maximum value from it.
List of Figures xxv
Foreword by Mike Cohn xxxi
Foreword by Ron Jeffries xxxiii
Preface xxxv
Acknowledgments xxxix
About the Author xliii
Chapter 1: Introduction 1
What Is Scrum? 1
Scrum Origins 3
Why Scrum? 4
Genomica Results 4
Can Scrum Help You? 5
Closing 10
Part I: Core Concepts 11
Chapter 2: Scrum Framework 13
Overview 13
Scrum Roles 14
Scrum Activities and Artifacts 16
Closing 28
Chapter 3: Agile Principles 29
Overview 29
Variability and Uncertainty 32
Prediction and Adaptation 37
Just-in-Time Work 43
Validated Learning 44
Work in Process (WIP) 48
Progress 54
Performance 56
Closing 58
Chapter 4: Sprints 61
Overview 61
Timeboxed 62
Short Duration 64
Consistent Duration 67
No Goal-Altering Changes 69
Definition of Done 74
Closing 78
Chapter 5: Requirements and User Stories 79
Overview 79
Using Conversations 81
Progressive Refinement 82
What Are User Stories? 83
Level of Detail 86
INVEST in Good Stories 88
Nonfunctional Requirements 93
Knowledge-Acquisition Stories 93
Gathering Stories 95
Closing 98
Chapter 6: Product Backlog 99
Overview 99
Product Backlog Items 100
Good Product Backlog Characteristics 101
Grooming 104
Definition of Ready 108
Flow Management 110
Which and How Many Product Backlogs? 112
Closing 118
Chapter 7: Estimation and Velocity 119
Overview 119
What and When We Estimate 120
PBI Estimation Concepts 123
PBI Estimation Units 128
Planning Poker 129
What Is Velocity? 133
Calculate a Velocity Range 134
Forecasting Velocity 135
Affecting Velocity 135
Misusing Velocity 137
Closing 138
Chapter 8: Technical Debt 139