Post on 12-Apr-2017
ValueGlidecreating better outcomes@valueglide #bizagility
Why WIP Limits?
Nader Talai @nadertalai@London Limited WIP 18 February 2016
#LonLWS
ValueGlidecreating better outcomes@valueglide #bizagility
Why do you multitask?
ValueGlide@valueglide #bizagility
What people sayI like varietyWe can keep multiple stakeholders happyEasier to say yes than noWe get work pushed on to us and have to start
ValueGlidecreating better outcomes@valueglide #bizagility
To get more done?
ValueGlidecreating better outcomes@valueglide #bizagility
MIT’s Earl Miller, “People can’t do [multitasking] very well, and when they say they can, they’re deluding themselves.” And it turns out the brain is very good at this deluding business.
ValueGlidecreating better outcomes@valueglide #bizagility
‘Asking the brain to shift attention from one activity to another causes the prefrontal cortex and striatum to burn up oxygenated glucose, the same fuel they need to stay on task.’
https://www.theguardian.com/science/2015/jan/18/modern-world-bad-for-brain-daniel-j-levitin-organized-mind-information-overload
ValueGlidecreating better outcomes@valueglide #bizagility
How does multi-tasking affect human IQ?
ValueGlidecreating better outcomes@valueglide #bizagility
10 point drop in IQ
Multi tasking causeshttp://www.multitaskingtest.net.au/
the-science/impacts-of-multi-tasking
UK research shows distracted workers suffer a greater loss of IQ than people who smoke marijuana.
ValueGlidecreating better outcomes@valueglide #bizagility
To get more done?
http://www.apa.org/research/action/multitask.aspx
Research shows that you are less productive!Up to 40%
ValueGlidecreating better outcomes@valueglide #bizagility
40% less productiveRemind me again – Why do you multitask?
ValueGlidecreating better outcomes@valueglide #bizagility
I Love Lucy Chocolate factory conveyor belthttps://www.youtube.com/watch?v=HnbNcQlzV-4
ValueGlidecreating better outcomes@valueglide #bizagility
Knowledge workchallenges
BalanceCan’t see the workToo much variability
ValueGlidecreating better outcomes@valueglide #bizagility
Why we need WiP
ValueGlidecreating better outcomes@valueglide #bizagility
0 1 2 4 5 6 7 8 9 10 11 12 13 14 15 18 19 21 22 24 25 26 31 38 40 750
1
2
3
4
5
6
7
8
3
1
3
4
6
4
6
3
2
1
8
4
7
2
1
2
4
1 1 1 1 1 1 1 1 1
Completion Time frequency distribution
Completion Time (days)
No.
of s
torie
s
Percentile
Days
95 29
75 14
50 11
25 6
ValueGlidecreating better outcomes@valueglide #bizagility
0 1 2 4 5 6 7 8 9 10 11 12 13 14 15 18 19 21 22 24 25 26 31 38 40 750
1
2
3
4
5
6
7
8
3
1
3
4
6
4
6
3
2
1
8
4
7
2
1
2
4
1 1 1 1 1 1 1 1 1
Completion Time frequency distribution
Completion Time (days)
No.
of s
torie
s
Long Tail
Percentile
Days
95 29
75 14
50 11
25 6
ValueGlidecreating better outcomes@valueglide #bizagility
0 1 2 4 5 6 7 8 9 10 11 12 13 14 15 18 19 21 22 24 25 26 31 38 40 750
1
2
3
4
5
6
7
8
3
1
3
4
6
4
6
3
2
1
8
4
7
2
1
2
4
1 1 1 1 1 1 1 1 1
Completion Time frequency distribution
Completion Time (days)
No.
of s
torie
s
Long Tail
Percentile
Days
95 29
75 14
50 11
25 6
Too much variability
ValueGlidecreating better outcomes@valueglide #bizagility
0 1 2 4 5 6 7 8 9 10 11 12 13 14 15 18 19 21 22 24 25 26 31 38 40 750
1
2
3
4
5
6
7
8
3
1
3
4
6
4
6
3
2
1
8
4
7
2
1
2
4
1 1 1 1 1 1 1 1 1
Completion Time frequency distribution
Completion Time (days)
No.
of s
torie
s
Long Tail
Percentile
Days
95 29
75 14
50 11
25 6
Too much variabilityKnowledge work is not deterministic
ValueGlidecreating better outcomes@valueglide #bizagility
WIP LimitsEssential to create pullMinimise mental overloadCreate focusPride of workmanship
ValueGlidecreating better outcomes@valueglide #bizagility
ValueGlidecreating better outcomes@valueglide #bizagility
Reducing WiP Reduces Wait time Increases Flow Efficiency
ValueGlidecreating better outcomes@valueglide #bizagility
OptionsFor limiting WiP
Per boardPer statePer swim lanePhysical spaceTokensPer personPomodoro
ValueGlidecreating better outcomes@valueglide #bizagility
To Do Do Next Doing Ready
20
ValueGlidecreating better outcomes@valueglide #bizagility
To Do Do Next Doing Ready
10
1
ValueGlidecreating better outcomes@valueglide #bizagility
To Do Do Next Doing Ready
ValueGlidecreating better outcomes@valueglide #bizagility
Tokens To Do Do Next Doing Ready
ValueGlidecreating better outcomes@valueglide #bizagility
Tokens To Do Do Next Doing Ready
ValueGlidecreating better outcomes@valueglide #bizagility
Tokens To Do Do Next Doing Ready
ValueGlidecreating better outcomes@valueglide #bizagility
Tokens To Do Do Next Doing Ready
ValueGlidecreating better outcomes@valueglide #bizagility
Tokens To Do Do Next Doing Ready
ValueGlidecreating better outcomes@valueglide #bizagility
ValueGlide@valueglide #bizagility
Understand FlowWhere do you spend your time? How much time is due to multi-tasking?Where do you wait?
ValueGlidecreating better outcomes@valueglide #bizagility
* Zsolt Fabok, Lean Agile Scotland, Sep 2012, Lean Kanban France, Oct 2012** Hakan Forss, Lean Kanban France, Oct 2013
% Flow Efficiency = (Work Time/ Lead time) * 100
ValueGlidecreating better outcomes@valueglide #bizagility
0 20 40 60 80 100 120
17 3 4 25 1 16 14 24 5 5
Completion Time = 114 Days made up of 41 days waitingThis is only between different functions Does not include the wait time within a function% Flow Efficiency = (Work Time/ Lead time) * 100=(73/114)*100 = 64%
ValueGlidecreating better outcomes@valueglide #bizagility
Results
ValueGlidecreating better outcomes@valueglide #bizagility
Extracts from impact of agile quantifiedhttps://www.rallydev.com/sites/default/files/ImpactofAgileQuantified2015.pdf
ValueGlidecreating better outcomes@valueglide #bizagility
https://www.rallydev.com/sites/default/files/ImpactofAgileQuantified2015.pdf
ValueGlidecreating better outcomes@valueglide #bizagility
https://www.rallydev.com/sites/default/files/ImpactofAgileQuantified2015.pdf
ValueGlidecreating better outcomes@valueglide #bizagility
https://www.rallydev.com/sites/default/files/ImpactofAgileQuantified2015.pdf
ValueGlidecreating better outcomes@valueglide #bizagility
Impact of agile quantified short play listhttps://www.youtube.com/watch?v=rMCmLGJg284&index=3&list=PLSRf1YEPZ7uSRlu0FVo3uqRxP-W7KH2lg
A better explanation is in this 50 minute video: http://www.infoq.com/presentations/agile-quantify
ValueGlidecreating better outcomes@valueglide #bizagility
Delivering flexibility, reliability and predictability in IT environments
Business Agility SpecialistConsulting, Coaching, Traininghello@valueglide.com