Game to Measure WIP Limit

[Jean-Charles Meyrignac]

Hi !

I'd like to measure how much tasks one can handle simultaneously with Kanban, to help people measure how much tasks they can work without stress.

I was thinking about using juggling to demonstrate this.

Do you have some ideas ?

Jean-Charles

[Pierre Neis]

Ups "much tasks one can handle simultaneously with Kanban" ??? --> Kanban multitasking???

Juggling sounds fine, I'd heard something about Kanban games but never try it... Ball Points games sounds fine too and you can drive process improvement WIP of 1 is 1 ball, multitasking with several balls in the meantime and check out what happens.

Cheers

Pierre E.  NEIS, csp

Head of Lean Competence Centre @ coPROcess S.A. │ Scrum & Lean Coach   

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[Timofey Yevgrashyn]

Hello Jean-Charles,

I think the simplest and most visual exercise is the "Names game", which I got from Henrik Kniberg. He uses it when talks about Kanban and WIP. Please read this presentation and slides from 18 are about this game. 

The game is really simple and still I don't remember if I saw the description on-line. Please don't hesitate asking me to calrify - I'll explain rules.

Timofey Yevgrashyn,

Web: http://tim.com.ua
Skype: spidertim
Phone: +380 67 408 53 30

Jean-Charles

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[Morgan Ahlström]

Hi Jean-Charles!

There's a game called "Group Juggle" described in "The Systems Thinking Playbook" that I think would illustrate your point very well. I haven't tried the game myself but from what I've read I would definitely give it a shot for the purpose you describe. The debriefing describes several good learnings but I think that you'll be able to show quite well how raising WIP will lessen quality and how hard it is to recover from these problems. I'm not sure if the game is describe somewhere on the net but the book is a worthwhile investment.

BR

Morgan
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[Alex Boutin]

Hi

I created and played at Agile France and other times the "Casino Game" (documents in French) to demonstrate that WIP limitation doesn't reduce output (except if WIP limitation is too low). At the first iteration the is no WIP limit and everybody at the beginning of the flow are working hard and are stressed, during second iteration WIP limit is 2 and the output is still the same ... and everybody is working without stress. At other iteration the team changes the system (people can help each other) and use a WIP limit of 3.

Not exactly what you are looking for ... but you could be interested :)

Cheers
Alex

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De : Jean-Charles Meyrignac <jcmey...@gmail.com>
À : agile...@googlegroups.com
Envoyé le : Lundi 28 Novembre 2011 10h30
Objet : [AgileGames] Game to Measure WIP Limit

[Jean-Charles Meyrignac]

Thank you for all these ideas !
I'll try to test them soon.

I was basically thinking about an exercise I saw on a show "Brain Games" on National Geographic, where one guy has to simultaneously drive a virtual car, do some mental computations and memorize a serie of words one by one.
It lasted 3 minutes, and he was given 3 words only.

At the end of the exercise, he was asked to repeat the words, and he missed the second one.

I tried this game with an audience of 8 people, but it failed, since the tasks were not taking all of their "bandwidth", and everybody succeeded in giving the 3 words.
I was disappointed because I tried the test alone, and I was overwhelmed by the simple computations !

From what I understood, this game required using visual stimulation, computing skills and words memorization at the same time, and the visual stimulation I used was not sufficient.
If anybody has an idea how to improve this game, I'm very interested.


And yes, Pierre, Kanban solves this problem because it limits our WIP, but I'd just like to show that we have a limit, and demonstrate Zeigarnik's effect (see Personal Kanban).

JC

[Alan Dayley]

I just remembered a game that might help.

WIP limits can help limit working on too many projects at once.
Johanna Rothman described a game that I have used in the context of
too many projects and the cost of switching between them. It could be
adapted to WIP limits, I think.

Scroll down past the quoted text to the "Confetti Factory" game
description here:
http://groups.yahoo.com/group/scrumdevelopment/message/31731

Alan

[Alexander Kriegisch]

Hi Alex!

I kind of understand the French description, but would be interested in
receiving an English version as soon as it is available. I saw that you
filed a submission for the Agile Games 2011 conference, mentioning that
you would be happy to translate the docs to English if your submission
was chosen. Was it? I have not checked.

Regards
--
Alexander Kriegisch
http://scrum-master.de

Alex Boutin, 29.11.2011 13:46:

[@FredVandaele]

IMHO, the name game and the ball point game are great illustations of the WIP limit. Play both with success.

Easy to organise, very simple rules, not a lot of preparation for you and last but not least, clear message to participants.

The Penny game is a little bit more complex but you could simplify rules if you want ;-)

have fun,
Fred

[Daniel Teng]

I use a variation of name game. I gave the attendees several number sequences such as 

1,2,3,4,5...

1,1,2,3,5,8...

1,2,4,8,18

I, II, III, IV, V

And ask attendees to pair list the first 10 numbers of each sequence, the instruction are basically the same as name game.

Daniel

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