Conflict simulation, peacebuilding, and development

Daily Archives: 06/07/2022

Scalarization functions for decision matrices

Click on the image to view the briefing on YouTube

My thanks to the Ruddy Nice team for the opportunity to deliver this briefing remotely to the 2022 UK Defence Simulation Education & Training conference. In the briefing I show how the simplistic scoring mechanism commonly used by many civilian and military organizations in their decision matrices and more complex decision support tools simply does not make sense — being a linear scalarization function — and explain why that function must instead be concave up. Then, and only then, will your decision matrix satisfy the minimum reasonableness requirement.

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