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Copyright © 2012-2014 by Mark J. Sebern Software Engineering Process I SE-2800-06 Product backlog, estimation, velocity
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Copyright © 2012-2014 by Mark J. Sebern Product Backlog Items What are these PBI types?
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Copyright © 2012-2014 by Mark J. Sebern Product Backlog Characteristics Detailed appropriately Emergent Estimated Prioritized (ordered? positioned?) Estimated size vs position?
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Copyright © 2012-2014 by Mark J. Sebern Grooming the Backlog Grooming activities Creating/refining, estimating, prioritizing Who makes the decisions? Who else is involved? When is grooming done? How much time to allocate to grooming?
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Copyright © 2012-2014 by Mark J. Sebern Definition of Ready Ensure top PBI's are "good enough" to take action on (be incorporated into a sprint) What should be included in “good enough”?
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Copyright © 2012-2014 by Mark J. Sebern Definition of Ready Ensure top PBI's are "good enough" to take action on (be incorporated into a sprint) Business value articulated Details understood Dependencies not blocking Staffing OK Estimated, small enough Clear criteria Acceptance Performance Demo conditions (!)
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Copyright © 2012-2014 by Mark J. Sebern Ch. 7: Estimation in Scrum Estimation targetSize unit Product backlog item (PBI) Task Story points Ideal hours More on task estimation later...
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Copyright © 2012-2014 by Mark J. Sebern Estimation Concepts What is meant by these concepts? Estimate as a team Estimates are not commitments Focus on accuracy, not precision Use relative versus absolute sizes
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Copyright © 2012-2014 by Mark J. Sebern Planning Poker What is this all about? Consensus Expert opinion Discussion Relative size Accurate grouping Use of history How do we play? Why the funny values? 0, ½, 1, 2, 3, 5, 8, 13, 20, 40, 100, ∞, ?
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Copyright © 2012-2014 by Mark J. Sebern Velocity What is it? How is it calculated? How do we use the velocity value? For planning? As a diagnostic?
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Copyright © 2012-2014 by Mark J. Sebern Review Product Backlog Items Item types used at MSOE Characteristics of PBIs: DEEP Grooming, ensuring PBIs are ready Estimation: Planning Poker Velocity
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Copyright © 2012-2014 by Mark J. Sebern Checkpoint Turn to your partner… What is good about Scrum planning? What seems not so good? What questions do you have?
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Copyright © 2012-2014 by Mark J. Sebern Estimation Exercise In your team: Choose a PBI to estimate Discuss the item Each estimator privately chooses a card Show all cards at once Check for consensus; repeat if none
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