Book Image

The Professional Scrum Master (PSM I) Guide

By : Fred Heath
Book Image

The Professional Scrum Master (PSM I) Guide

By: Fred Heath

Overview of this book

Ever wondered why you’d use Scrum over other process frameworks? Or what makes Agile just so agile? Or why you should bother with the PSM certification? This book has you covered. The Professional Scrum Master (PSM I) Guide is a comprehensive tutorial that will not only introduce you to the basics of Scrum, but build you up to be ready to pass your PSM I exam first time round. Where other books avoid detail, this guide provides you with detailed practical examples to take you from being an apprentice to becoming a master. Assuming you’re a total beginner, this book will introduce you to Scrum methodologies with detailed use cases, teaching you the secrets of Scrum in such a way that you’ll be well-equipped for the PSM I exam. This book demonstrates the real-world applications of Scrum in a variety of scenarios, all with practical examples. You’ll understand why the structure of your Scrum team matters, what you can achieve with properly planned sprints, and how to create and manage sprint and product backlogs. The chapters are regularly concluded with quizzes relevant to the exam, reinforcing the values you learn on your journey. Finally, it concludes with some exam preparation and myth-dispelling to make sure you have an edge when it comes to earning your certificate. This is a guide that’ll ensure you won’t fall behind in an ever increasingly agile world.
Table of Contents (15 chapters)
Section 1: The Scrum Framework
Section 2: Scrum in Action
Section 3: The PSM Certification

Refining the Product Backlog

Before we can start a Sprint, we must have a refined Product Backlog. Product Backlog refinement is the activity of breaking down backlog items into more concise and manageable items and providing more details. During refining, the Scrum Team analyzes, discusses, estimates, and orders backlog items. The purpose of the activity is to enable Developers to start working on items with the least amount of disruption or ambiguity.

So, a refined backlog is one in which items are detailed, estimated, and ordered. We have already learned how to create detailed and descriptive backlog items as user stories or features in Chapter 5, Scrum Artifacts. We have also examined how to estimate items in Chapter 6, Planning and Estimating with Scrum. In this section, we'll delve more into the one remaining aspect of backlog refinement we haven't covered yet: ordering.


Some Scrum Teams hold weekly refinement meetings, usually led by the Product Owner...