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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