One thing we've ran into is that we used to do hourly estimates for the team, but now I'm shifting our estimates to points... and the team is having a difficult time understanding the points. They understand hours better and in the Sprint Planning meeting break down their work and estimate hours. I want to stick with story points (that don't equal hours) because my lead developer is going to give much smaller estimates on hours than my brand new junior developer.How can I explain the value of estimating using story points to the team? They've been stuck on the idea of "difficulty" being what they are estimating, but difficulty does not equal time. I've tried to explain a few times that we are estimating the size of one story compared to the size of another story, but they just want to estimate in hours.It's a lose-lose right now because sticking with points means they throw out random numbers, and going back to hours they will never agree because of the experience level dynamic.I'd love input on how you might have explained this, or have you gone back to hourly estimates for stories?
My team has just recently started SCRUM in the beginning if July of this year after I (Product Owner) and my ScrumMaster attended Mike Cohn's training on our respective roles.
One thing we've ran into is that we used to do hourly estimates for the team, but now I'm shifting our estimates to points... and the team is having a difficult time understanding the points. They understand hours better and in the Sprint Planning meeting break down their work and estimate hours. I want to stick with story points (that don't equal hours) because my lead developer is going to give much smaller estimates on hours than my brand new junior developer.
How can I explain the value of estimating using story points to the team? They've been stuck on the idea of "difficulty" being what they are estimating, but difficulty does not equal time. I've tried to explain a few times that we are estimating the size of one story compared to the size of another story, but they just want to estimate in hours.
It's a lose-lose right now because sticking with points means they throw out random numbers, and going back to hours they will never agree because of the experience level dynamic.
I'd love input on how you might have explained this, or have you gone back to hourly estimates for stories?
--
You received this message because you are subscribed to the Google Groups "Scrum Alliance - transforming the world of work." group.
To view this discussion on the web visit https://groups.google.com/d/msg/scrumalliance/-/1UWaXQ27vGAJ.
To post to this group, send email to scruma...@googlegroups.com.
To unsubscribe from this group, send email to scrumallianc...@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/scrumalliance?hl=en.
2. having started scrum we are trying to do it by the book, or as close to the training as possible.
3. our team wouldn't estimate of given a choice so it is hard to leave it up to them. It just wouldn't happen if I didn't push for it.
1. We need estimates for release planning. So I know how much the team can do in a week for the sprint planning meeting as well as in six months what might be done.
2. having started scrum we are trying to do it by the book, or as close to the training as possible.
3. our team wouldn't estimate of given a choice so it is hard to leave it up to them. It just wouldn't happen if I didn't push for it.
To do it you need very gross estimates on the backlog items. If you do a little work to get them about the same size, counting them works just fine.
--
You received this message because you are subscribed to the Google Groups "Scrum Alliance - transforming the world of work." group.
Can you elaborate more on :To do it you need very gross estimates on the backlog items. If you do a little work to get them about the same size, counting them works just fine.How do you do this practically without spending too much time breaking each item down to about the same size . Isn't the benefit espoused in Scrum trainings and many books that the the items should be appropriately sized; big and vague on the bottom, small and granular at the top? Is it waste to get them all the same size, especially if those items are removed?
This is where I have struggled in Commitment Driven Planning. I get how it works just before or during the Sprint planning, but, before that, I still can not get around performing relative estimates on backlog items that are not probable to deliver in the next 2 Sprints or later.
Why do you want to do these estimates for things you are not doing?
Why do you want to do these estimates for things you are not doing?Ron, my desire is not to have estimates, but, to not to have wasteful planning.Relative estimates have been the only method I have found that helps with this.Perhaps the root of the problem is my assumptions of the purpose of Release Planning.
I hate to keep you on the subject, but could you kindly point me to an article describing what this approach to Release Planning looks like, all the way through to Committment Driven Planning by the team. Or, if you are inclinded, describe it for us.
I think there is some miscommunication here.I am seeking understanding to learn the method you espoused , which seems to me a great option, and maybe even a better option than what I have done in the past.If you do not wish to elaborate on how it is done and share more on your views on the purpose of release planning, I respect that and will not ask again. My questions were merely to learn from a master with a beginner's mind.Many of the questions you ask of me seem to be bundled with implied assumptions behind them that seems to be about my desire or attachment to estimates. That is not the case, as, I find estimating a dirty and flawed business. Relative estimates have been the only workaround I have discovered until your post on this thread.