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Services vs Systems: the dynamics of implemen5ng change Sarah Wylie | System Dynamicist | @iLab_NI
@iLab_NI Northern Ireland Public Sector Innova5on Lab
Rebecca Walsh @ink_consultancy
System Dynamics meets Service Design
The origins of System Dynamics modelling
The whole is different than the sum of the parts
System Dynamics, the study of how things change over 5me.
Feedback: think of buffers and of snowballs.
Stock-‐flow thinking
Stockinflow outflow
Myth and Archetype / Stray Dogs in Bangkok
Myth and Archetype / Stray Dogs in Bangkok
Prigogine: dissipa5ve structures, complex systems, and irreversibility.
Pop quiz, sea turtles: protect eggs or protect adults?
Sea Turtles, the lifecycle model
Eggs Hatchlings Juveniles Adultshatching growing maturing dying naturallylaying eggs
eggs dying hatchlings dying juveniles dyingadults dyingunnaturally
fractionallaying rate
egg death andpoaching rate
hatchlingdeath rate juveniles death rate
adult death rate
Systems thinking & adap5ve design
The dynamics of 5me and percep5on delays.
60 years of System Dynamics
Strategies for scaling
Teach Train trainers Evangelical approach Focus on impact
How do you remake the world in your own image?
Legacy services and crea5ng readiness to accept change: the role of myth
Stockinflow outflow
@iLab_NI sarahmegan.wylie@finance-‐ni.gov.uk
Sarah Wylie System Dynamics Modeller
Northern Ireland Public Sector Innova5on Lab
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