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itk-premortem
Frame and explore your problem by imagining a future scenario in which the proposed activity fails to achieve its objective.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
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Frame and explore your problem by imagining a future scenario in which the proposed activity fails to achieve its objective.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
In this physical variant on brainstorming, participants use their body and inexpensive materials or objects to role-play and mimic interaction with a system, product, or experience.
This hands-on activity allows participants to communicate and document their mental model and how they think about a set of information, creating a logical structure (e.g., relationships, sequences, timing).
A fast way to capture and prioritize stakeholders.
A framework based on “influence channels” that shape and define an organization’s culture.
Visually synthesize and communicate a user’s end-to-end experience through actions, pain points, wins, and opportunities in a phased process.
Focus the power of brainstorming using a structured, visual representation of ideas—pushing you to fill out every box with new ideas.
| name | itk-premortem |
| description | Frame and explore your problem by imagining a future scenario in which the proposed activity fails to achieve its objective. |
| intent | Clarify what success looks like. Uncover hidden assumptions about activities, outcomes, success, and failure. Mitigate risks by identifying potential causes of failure. Give your team insight into priorities and success criteria |
| type | component |
| phase | define |
| outcome | define |
| difficulty | intermediate |
| group_size | 6+ people |
| time_required | 60+ minutes |
| best_for | ["Kicking off a major initiative or epic where the team is overconfident and hasn't stress-tested its assumptions","Aligning a cross-functional team on success criteria before locking OKRs or a quarterly roadmap commitment","De-risking a high-stakes launch or platform migration where failure would be costly and politically visible","Surfacing unspoken doubts from stakeholders who privately disagree with a roadmap direction but won't say so openly","Validating a PRD or product strategy when scope is set but risks and dependencies remain unexamined"] |
| sources | ["MITRE Innovation Toolkit (ITK)","https://itk.mitre.org/toolkit-tools/premortem/"] |
Frame and explore your problem by imagining a future scenario in which the proposed activity fails to achieve its objective.
Clarify what success looks like. Uncover hidden assumptions about activities, outcomes, success, and failure. Mitigate risks by identifying potential causes of failure. Give your team insight into priorities and success criteria
When the definition of success is being determined or assessed.
Prospective Hindsight — The cognitive technique of imagining an outcome has already occurred and reasoning backward to explain it. Research shows this framing increases the team's ability to identify reasons for a future outcome by roughly 30% versus standard forecasting.
Psychological Safety — A high-trust environment where participants can voice doubts and worst-case scenarios without fear of being seen as disloyal. Without it, the premortem collapses into polite, low-signal answers that miss the real risks.
Failure Imagination — Deliberately describing vivid, extreme failure outcomes rather than hedged 'risks.' The emotional concreteness bypasses optimism bias and groupthink that normally suppress dissent in roadmap and planning sessions.
Outcomes vs. Causes — Separating the description of what failure looks like (outcomes, attributes) from why it happened (causes, drivers). Conflating the two too early narrows the search and lets the team skip past uncomfortable root causes.
Failure Drivers — The subset of identified causes that are both likely and impactful, distinguished from the long list of all possible contributors. Prioritizing these turns the exercise into actionable mitigations rather than an anxiety dump.
Assumption Surfacing — Exposing the hidden beliefs about market, users, dependencies, and capacity that underpin the plan. These map directly to the riskiest-assumption tests in discovery and Lean Startup validation.
Problem Framing Mission & Vision Canvas Stakeholder tools ( Stakeholder Map & Matrix , Stakeholder Identification Canvas ) to go deeper into motives (who thought we’d fail? Etc)
| Field | Value |
|---|---|
| ITK Phase | DEFINE |
| Difficulty | Intermediate |
| Group Size | 6+ people |
| Time Required | 60+ minutes |
| Source | itk.mitre.org |