3 User Goal Sizing Methods To Make Backlog Grooming A Breeze

Lin Fisher, CSM

Why Size? Sizing calls out complexity or

risk Gives us one part of our

primary value metric, ROI

Methods• Story Points• T-Shirt Sizes• Relative Mass

Story Points• Strongest• Declared by the Dev Team• Quantify risks such as:• Complexity• Unknowns• Regression

• [1,2,3,5,8,13,21]

Relative Mass• Strong• Used as an initial exercise to

address large raw backlogs• BLIs are sorted and sized in

relation to each other• [2,8,16,32]

T-Shirt Sizes• Weak• Used for vague or premature

requirements• Work best when there is a

stated rubric to provide context• [XL, L, M, S, XS]

Best PracticesStrategies for Sizing Success

3 < Group Size > 6

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