Can You Teach Critical Thinking? Or…. Why can’t they see what I see?
A Systems Thinking Primer: Learning to see
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Transcript of A Systems Thinking Primer: Learning to see
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A Systems Thinking PrimerLearning to see...
@patkua
(in 3 parts)
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@patkua
http://tiny.cc/twtlhttp://tiny.cc/retros
Architect
Developer
Leader
Coach
Life-long learner
Author
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FundamentalsI.
ArchetypesII.
In S/W ContextIII.
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Part I...
Fundamentals
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What is a system?
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Set of agentsAgent
Agent
Agent
Agent
Agent
Agent
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Set of agentsAgent
Agent
Agent
Agent
Agent
Agent
Interconnected
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Set of agentsAgent
Agent
Agent
Agent
Agent
Agent
Interconnected
In a dynamic state
Agent
Agent
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More than the sum of their partsA product of their interactions
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(does not apply to full system)
Cause Effect
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Analysis Synthesis
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Analysis Synthesis
A car travels approximately 26 km per Litre. If petrol costs £4.04/L which one would be closest to how much petrol would cost for a car travelling 2,626km? !
• £44.44 • £109.08 • £118.80 • £408.04 • £333.40
The United States consumers more than 20% (7 billion barrels) of the world’s oil supply annually yet only has 2% of the world’s proven oil reserves. What factors will determine when we reach “peak oil”—the point in Fme when the maximum rate of petroleum extracFon is reached, aIer which the rate of oil producFon is expected to enter terminal decline? !
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Systems Thinking
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Correlation != Cause
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Systems thinkers seek
feedback loops
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Agent
Agent
Agent
Agent
Agent
Agent
Agent
Agent
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Agent
Agent
Agent
Agent
Agent
Agent
Agent
Agent
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Agent
Agent
Agent
Agent
Agent
Agent
Agent
Agent
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Agent
Agent
Agent
Agent
Agent
Agent
Agent
Agent
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Weight Loss (Analysis)
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Current Weight Target WeightDiet
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Weight Loss (Synthesis)
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Weight
Calories In Calories Out
“Healthy” Food ExerciseJunk Food
Mood
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2 Types of Feedback Loops
Amplifying Dampening
Self Reinforcing
Escalating
Positive Runaway
Compounding
Snowballing
Stabalising
Self-maintaining
Negative
Balancing
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Weight
Calories In Calories Out
“Healthy” Food ExerciseJunk Food
Mood
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Mental Models
“The thinking it took to get us into this mess is not the same thinking
that is going to get us out of it.”
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Word association
Word association
Word association
Word association
Word association
Word association
Word association
Word association
Word association
Word association
Colour
Furniture
Flowerseconds60
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Mind Grooving
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Slumber
Dream
Bed
Quiet
Nap
Pillow
Night
Blanket
Pajamas
Snooze
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Write down as many words as you can remember, without talking
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Slumber
Dream
Bed
Quiet
Nap
Pillow
Night
Blanket
Pajamas
Snooze
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Circles in the Air
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Thumb Wrestling
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Noise Generating
Fun Generating
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Delays
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Delays
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Part II...
Archetypes
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A what?
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An Archetype
Peter Senge Author of the Fifth Discipline
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Balancing Loop
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Balancing Loop
Desired State“warm”
Current State“cold”
Gap
Action
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ExerciseFolding Stuff
Reinforcing Loop
Limits to Success
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Reinforcing Loop
Limits to Success
Thickness
Stiffness
Folding Rate
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1 1 0.001 m
2 2 0.002 m
3 4 0.004 m
4 8 0.008 m
5 16 0.016 m
6 32 0.032 m
7 64 0.064 m
8 128 0.128 m
9 256 0.256 m
10 512 0.512 m
11 1024 1.024 m
12 2048 2.048 m
13 4096 4.096 m
14 8192 8.192 m
15 16384 16.384 m
16 32768 32.768 m
17 65536 65.536 m
18 131072 131.072 m
19 262144 262.144 m
20 524288 524.288 m
21 1048576 1.048576 km
22 2097152 2.097152 km
23 4194304 4.194304 km
24 8388608 8.388608 km
25 16777216 16.777216 km
26 33554432 33.554432 km
27 67108864 67.108864 km
28 134217728 134.217728 km
29 268435456 268.435456 km
30 536870912 536.870912 km
31 1073741824 1073.741824 km
32 2147483648 2147.483648 km
33 4294967296 4294.967296 km
34 8589934592 8589.934592 km
8589.934592km
Fold 34
Dallas - Berlin (8391km)
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Tragedy of the Commons
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Fixes that fail
CashLoan
Interest
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Part III...
In S/W Context
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Feedback Loops
Amplifying Dampening
Good design #Bugs
Delivering frequently
Poor usability
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Fixes that Fail
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Long Build Breakages
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Tragedy of the Commons
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Iterations
Cum
ulat
ive
Poin
ts
Work longer hours
Don’t write tests
Copy and paste code
# Bu
gs
Work longer hoursDon’t Write TestsCopy and Paste Code
# Cu
stom
ers
Limits to Success
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FundamentalsI.
ArchetypesII.
In S/W ContextIII.
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“There are no separate systems. The world is a continuum. Where to draw a boundary around a system depends on
the purpose of the discussion.”
Donella H. Meadows Author of Thinking in Systems
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Questions?
@patkua
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This presentation shared under the Creative Commons (CC) licence
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