Essential Scrum

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 organisations 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.

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.

Auteur

Kenneth S. Rubin provides Scrum and Agile training and coaching to help companies develop products more effectively and economically. A Certified Scrum Trainer, he has trained more than eighteen thousand people on Agile and Scrum, Smalltalk development, managing object-oriented projects, and transition management. He has coached hundreds of companies, ranging from startups to the Fortune 10. Rubin was the first Managing Director of the worldwide Scrum Alliance, a nonprofit organization focused on successful Scrum adoption. His diverse development roles have included successful stints as Scrum product owner, ScrumMaster, and developer. Rubin’s executive management roles have included CEO, COO, VP of Engineering, VP of Product Management, and VP of Professional Services. He is the author of Succeeding with Objects (Addison-Wesley, 1995).

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Résumé

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.

Contenu

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

Overview 139

Consequences of Technical Debt 141

Causes of Technical Debt 144

Technical Debt Must Be Managed 148

Managing the Accrual of Technical Debt 149

Making Technical Debt Visible 153

Servicing the Technical Debt 155

Closing 162

Part II: Roles 163

Chapter 9: Product Owner 165

Overview 165

Principal Responsibilities 166

Characteristics/Skills 171

A Day in the Life 174

Who Should Be a Product Owner? 176

Product Owner Combined with Other Roles 181

Product Owner Team 182

Closing 184

Chapter 10: ScrumMaster 185

Overview 185

Principal Responsibilities 185

Characteristics/Skills 188

A Day in the Life 190

Fulfilling the Role 191

Closing 193

Chapter 11: Development Team 195

Overview 195

Role-Specific Teams 195

Principal Responsibilities 196

Characteristics/Skills 198

Closing 211

Chapter 12: Scrum Team Structures 213

Overview 213

Feature Teams versus Component Teams 213

Multiple-Team Coordination 218

Closing 223

Chapter 13: Managers 225

Overview 225

Fashioning Teams 227

Nurturing Teams 231

Aligning and Adapting the Environment 233

Managing Value-Creation Flow 235

Project Managers 237

Closing 243

Part III: Planning 245

Chapter 14: Scrum Planning Principles 247

Overview 247

Don't Assume We Can Get the Plans Right Up Front 248

Up-Front Planning Should Be Helpful without Being Excessive 248

Keep Planning Options Open Until the Last Responsible Moment 249

Focus More on Adapting and Replanning Than on Conforming to a Plan 249

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