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Yuval Yeret

InfoQ: What is Velocity Good For? - 2 views

  • Doubling velocity (story points done-done in each sprint) usually means we must improve several things:
  • a clearer definition of done
  • no [known] bugs escape the Sprint
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  • we must prioritize the impediments, and keep removing or reducing the top one until velocity is doubled
  • Hint: We might want to prioritize the impediments by how much the removal/reduction will increase velocity. 25% here, 30% there; pretty soon you're talking a real increase in velocity.
  • Hint: Improving quality and reducing technical debt are almost always important keys to seriously increased velocity. Not the only keys, but very important.
  • Velocity is best used for long term planning. I can look at my velocity over several iterations and come up with an average (Preferably a range.) Then I can use that information to say things like: 1) Given the current backlog, how many iterations is it likely to take to complete a given set of stories? 2) How many story points, and by extension what set of prioritized stories, can I deliver by date X (e.g. in time for the trade show?)
  • I am very wary of anyone who suggests increasing velocity is a goal. *They are just estimates*. It is so easy to game. I've seen it happen both consciously and subconsciously with very undesirable effects.
  • The only measure of increased productivity is completed work. Measuring this also has the desirable side effect of encouraging people to break work down into the smallest possible deliverable units.
Yuval Yeret

InfoQ: Ensuring Success for Self Organizing Teams - 0 views

  • Helicopter Managers – who step in too soon to rescue thereby depriving the team to think and solve problems together.
  • Absentee Managers – who would not step in at all irrespective of whether the team has all the necessary skills to tackle the problem.
  • If the team has sufficient skills to solve the problem then give them space else ask questions to help them get unstuck. This would help in building the skills eventually.
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  • When time is not of the essence give the team time to work the issue. This would improve the team feeling and collaboration.
  • If the solution space is limited in scope and impact, or the decision is reversible, give the team space to solve the problem, even it there's a good chance they'll get it wrong the first time.
  • Tolerate mistakes and allow time for learning – management should not jump in at the first problem. They should allow the team to learn from their mistakes and take corrective action on their own.
  • Clearly define the boundaries – Without this the team is lost on how much they can manage themselves and when should they invoke management help. Without the definition of boundaries, teams err on side of caution and do not take any decision without seeking permission.
  • Keep the team challenged, yet not frustrated- The manager should be aware of the team’s skill level and limitations. He should be able to provide the team with enough challenges to keep them in a state of learning and growth.
  • emphasis on the balanced involvement of management with the team
  • It is important for the managers to be aware of the skill level of the team to step in or stay back at the right moment and act as a catalyst for the team to reach a state of self organization
Yuval Yeret

tips on reviving retrospectives from the retrospectives yahoo group - 0 views

  • Has the team made changes that make a difference to them as a result of the retrospective?
  • Has the team explored a variety of different topics/areas, or do they stick to pretty much the same agenda around continuous improvement? What is the balance of change/improvement work vs. working on the product?
  • For example, try looking at technical practices, teamwork, or customer relationships... choose what ever seems most relevant to bound the discussion. That might help the team dig deeper and find issues that have more significance for them (now...I'm sure the other changes were significant at the time).
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  • Try a 'speed retrospective'. How quickly can the team get together and find one good, solid improvement to make? Make it exciting and use a stopwatch. I wouldn't do this all the time, but again, what harm to try it once?
  • How about one retrospective where you set yourselves the challenge of generating actions from the "What did we do well" column? In other words, find an action designed to magnify an existing positive rather than remedy an existing negative.
  • How about a 'Show and Tell' retrospective where every team member comes to the meeting with an action item and its explanation already prepared? The retrospective would really be each person presenting their idea in turn.
  • How about a retrospective wherein you challenge yourselves to come with a new approach to retrospectives that is so exciting that people would skip other work activities to attend?
  • The major thing is to make the changes visible and memorizable for everyone and not assuming that people remember what they decided on in the last retro.
  • I find it very important to revisit the outcome of the past retrospective and celebrate the things the team had been able to do differently.
  • Another thing is that I would invite team members to take turns in facilitating the retro. So not always the same person runs the retro (this typically also changes the format and techniques a bit).
  • - Heartbeat Retrospective (google for Boris Gloger)
  • - Temperature Reading
  • - Team Radar Chart
  • - Our project / team / product ship - draw a ship on a flip chart, ask the team what moved the ship forward, what blocked it
  • Just to add a totally different direction: I've made good experiences with having a *long* retrospective every few months. The short retrospectives are great to see the trees and optimize the daily work. A two or even three day retrospective helps the team to step back and watch the forrest instead.
  • It is important to get at least one item done every sprint. If you do the retro, but don't implement any of the actions, this is a tremendous demotivator. Better one thing finished that you can celebrate than 5 unfinished things in the queue.
  • Variety is the spice of life, so some variation is essential to keep the freshnees. Change the moderator, do technical focus once, then organisational, then "improving the fun factor", then go back to a general retro.
Yuval Yeret

Agile Project Management Blog - 0 views

  • Second getting them to understand Story Points, a seemingly meaningless measurement, seemed to be a non-starter for them.
  • deal hours first This is where ideal hours came to the rescue. They were far more able to wrap their heads around ideal hours i.e. if you lock the developers and testers in a room with zero interruptions, how long would it take. I figured that once they got their initial stories estimated in ideal hours down, switching to Story points will be easy as they would have established a scale of reference to compare against. This approach worked really well. They're now into their 3rd Sprint and now that they have an existing scale, whether the number is in ideal hours or story points or dog points for that matter, it really doesn't matter any more. If you're new to agile estimating, and you're having trouble coming to terms with Story Points try this first and then make the switch later.
Yuval Yeret

From the Agile Transformation Trenches: Culture Change with Pigs, not Chickens - 0 views

  • Identify the technical leaders within projects; those that are “self-driven to produce quality results on time … combine technical ability with enough people skills …are trusted and respected by both their managers and fellow developers, are determined to make the team succeed, and usually live the work.” (Chief programmers, Chapter 2:  A Practical Guide to FDD).
  • Sell them the vision: if you cannot sell these people on the benefits to them, their colleagues and the organization of the new way of working then something is wrong
  • Provide in-depth training and on-going coaching. It is better to have a single lead person trained in-depth who can coach his teammates through the basics than to have the whole team trained on the basics with no-one on the team to turn to when the basics are not enough.
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  • Providing initial training is simply not enough. When the pressure is on, the temptation to return to previous ways of doing things is often too strong to resist. If technical leads are to work for you, they need on-going support and coaching, and a means by which they can support each other.  Good external coaches (expert chickens?) can help here.
  • Let the technical leads continue working on their projects. Some fail at the final hurdle by doing 1-3 above and then assigning or scheduling the technical leads to coach other projects, effectively turning them from pigs into chickens.
  • To summarize, if you can produce a change in the behavior of the lead pigs, the other pigs will, by definition, follow. However, pigs will not follow chickens for long because chickens are simply not pigs.
  •  
    Last month David Anderson wrote a two-part article on why agile transformation initiatives fail. David's suggestion to concentrate on cultural change reminded me of one of my favorite bits on process initiatives. From Peter Coad's book, Java Modeling in Color...
Yuval Yeret

Multi-Voting / Dot Voting - 0 views

  • A good guide to follow is 20% of the total number of items. So, in the case of 30 risks being prioritized, each voting team member would receive 6 votes to assign across the population of risks.
Yuval Yeret

James Shore: Value Velocity: A Better Productivity Metric? - 0 views

  • *Please note that I'm specifically talking about productivity. Velocity is a great tool for estimating and planning and I'm not trying to change that. It's just not a good measure of productivity.
  • rather than asking your business experts to measure business value after delivery (difficult!), have them estimate it beforehand. Every story (or feature--keep reading) gets an estimate before it's scheduled. At the end of each iteration, add up the value estimates for the stories you completed in that iteration. This is your "value velocity."
  • And rather than reflecting the hours programmers work, as cost velocity does, value velocity actually reflects productivity. Remember, productivity equals output/time. Value estimates are a much better indication of output than cost estimates are.
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  • It's like traditional velocity, except it's based on your customers' estimates of value rather than your programmers' estimates of cost.
  • Although value velocity isn't perfect, a team with consistent value estimates would be able to graph their value velocity over time and see how their productivity changes. This would allow them to experiment with new techniques ("Let's switch pairs every 90 minutes! Now once a week!") and see how they affect productivity. If balanced with actual measures of value and some sort of defect counting, this could be a powerful tool.
  • stories don't always have value on their own.
  • just estimate and score features rather than stories.
  • Another option would be to pro-rate each feature's estimate across all of the stories required to deliver it.
  • some types of stories don't provide value in the traditional way. What's the value of fixing a nasty crash bug?
  • Third, value velocity is just as vulnerable to gaming as cost velocity is... perhaps more so. I'm not sure how to prevent this.
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