Public preview
Decision Stress Test
Before big commitment: "what if X drops 50%?" Test plan robustness.
Goal
Surface plan fragility before reality does, at higher cost.
Steps
-
1
Write plan as-is with numeric assumptions.
Expected Outcome
Immediate
You uncover one assumption is catastrophically fragile.
Evidence base
School: Margin of Safety / Antifragile
Founders: Benjamin Graham · Nassim Taleb (1934)
Graham — Security Analysis (1934) on "margin of safety"; Taleb — Antifragile (2012) on stress-testing systems.
Keywords
#stress-test#risk-management#pre-mortem#risk-matrix#probability-impact#graham#taleb#antifragile#margin-of-safety#sensitivity#benjamin-graham#nassim-taleb#هامش الأمان#هشاشة الخطة#اختبار الافتراضات#فترة الاسترداد المالي#افتراضات حساسة ثلاثة#security-analysis-1934#انهيار الخطة عند نسبة معينة#antifragile-2012-taleb#خمسة وعشرون إلى خمسين إلى خمسة وسبعين#ماذا لو انخفض المتغير x#التزام كبير قبل اختبار الضغط#أي افتراض يقلقك ليلا#اختبار واحد فقط كسل
Frequently asked questions
How long does "Decision Stress Test" take?
This exercise takes about 25 minutes, practiced solo in a Written reflection format.
When will I notice the effect of "Decision Stress Test"?
You uncover one assumption is catastrophically fragile. In the short term: In a month, you avoid a big commitment you'd regret.
Is "Decision Stress Test" evidence-based?
Yes — it draws on Margin of Safety / Antifragile (Benjamin Graham, Nassim Taleb (1934)). Graham — Security Analysis (1934) on "margin of safety"; Taleb — Antifragile (2012) on stress-testing systems.
Is "Decision Stress Test" suitable for beginners?
Its difficulty level is: Advanced. No external tools required — it can be practiced directly inside the app.
Subscribe for full access
Subscribe to Plus for full access to this practice and the whole catalogue, or try first — free, no sign-in, no commitment.
7 complete practices (one per domain) are free forever, no sign-in.