Hi Morgan (and others),Karen and I have an Estimation Workshop we run with teams. It takes about an hour and is fun - more play than "serious" workshop.During the hour - the participants learn 4 different estimation techniques and discuss the differences between them. Usually at the end of the workshop we ask them which one they preferred and then use that technique for the next few sprints.Full details here (and printable pdf of the 'cards' at the bottom): http://scrumcoaching.wordpress.com/2010/08/14/estimation-techniques/Hope it helps!Sam
On Sun, Mar 11, 2012 at 9:53 PM, Timofey Yevgrashyn <yevgr...@gmail.com> wrote:Hi Morgan,It seems I understand your challenge with explaining Planning Poker :-) I gave up giving the Poker for new teams unless they maintain understanding of own scale and understand the own feeling of sizing around Fibonacci or modified Planning Poker sequence.In order to calibrate the team I used my own exercise and later I found even better one called "Team Estimation Game" proposed by Steve Bockman. Simple game-like rules provide a facilitation for the fresh team to estimate a backlog or for experienced team to estimate a new project/product.Our lovely TastyCupCakes contains also a simillar exercise called "White Elephant Sizing" which propose to teach people groupping Product Backlog Items into 5 categories and then later give them a scale (Fibonacci or simillar).This way people have to lear first to do the relative estimation/sizing and only after that take numebers into consideration. After this you can give the Planning Poker rules and they can play poker for all new stories. Having a calibrated scale in mind they will do estimations much faster with the common understanding what doe one point means and how is it related to five :-)Hope this will help you.
Timofey Yevgrashyn,
http://tim.com.ua
Skype: spidertim
Phone: +380 67 408 53 30
On Thu, Mar 8, 2012 at 12:25, Morgan Ahlström <morgan....@gmail.com> wrote:Hi all,
I've been trying (unsuccessfully so far) to come up with a good game
to show the value of story points. I have simulations to show the
value of planning poker and how we reach a better understanding
through the discussions but I would love some game to show the value
of relative estimates over time.
My attempts (so far only theoretical, I have not had an audience to
work with yet) have been at creating a short backlog for two teams to
estimate, one with time estimates and one with story points. Then to
let the teams run through a couple of sprints where the story point
team can use their velocity for planning but the time estimate-team
will have to stick with time estimates. Perhaps including some
disturbances for the teams in order to force them to take a focus
factor into consideration.
I get stuck with trying to come up with good exercises for the teams
to estimate. They need to be quite short but also cover a span of
different sizes. They need to be estimatable by the teams, especially
relative to each other. I would like them to not just be linear in
effort (like sorting one deck of cards or two decks of cards) but
rather sorting a deck of card an folding a paper airplane.
I'm also not sure what would be the best way to handle the
time-estimate team in between sprints. I don't want to force them to
stick with the inital plan since that is not the point that I want to
get across. However, should I let them re-estimate the rest of the
backlog or let them use a focus factor to correct their estimates or
give them some other way to adjust their planning?
Any suggestions to help develop the setup describe above or a
completely different way of approaching this learning would be
welcome.
BR
Morgan
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Twitter: @Morgsterious
Blog: http://morgsterious.wordpress.com
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