Definition
People affected by system decisions can challenge, change, or overturn them—and win. Contestability combines permission surface and appeal passage rate.
Scope
C. Ethotechnic capabilities (what systems must be able to do). Design requirements that keep people safe when systems scale.
Operational tests
- Evidence appears in documentation, interface cues, or governance artifacts that reflect contestability.
- Teams can point to a concrete example that demonstrates contestability in practice.
Genealogy
Ethotechnics uses Contestability to extend the c. ethotechnic capabilities (what systems must be able to do) vocabulary and connect governance, design, and policy teams.