Collaborative Decision Tree
Updated 2026-09-11
INTRODUCTION
English translation pending.
CORE DEFINITION
A facilitated method in which several participants draw the decision structure together, listing the decision points, the possible branches, and the consequences of each. Points of agreement and dispute are marked explicitly on the structure. The key qualification is that the artifact must be produced through genuine discussion rather than presented afterward, since the value lies in surfacing assumptions that participants hold differently. Without recording the disputed branches, the same argument returns at the next meeting.
SCAFFOLDING EFFECT
Reduce cognitive load
- Joint construction: have participants build the decision nodes and branches together rather than reviewing a finished tree. - Branch enumeration: list scenarios and rough probabilities systematically instead of covering only the main path. - Dispute marking: label the branches where participants disagree and record the reason.
Anchor fast decisions
Group decisions are usually recorded as a conclusion, which hides which assumptions were shared and which were contested. Externalizing the structure forces each assumption onto a visible branch, where a participant who disagrees can point at it rather than argue about the conclusion. This makes disagreement productive and prevents the same unresolved dispute from reappearing, because the contested branch is already labeled.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Decision_treeverified
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