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| Criterion |  Innovation How Might We |  Systems Thinking Rich Picture |  Operations Family Tree Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | With a stuck problem carrying many implicit assumptions, the method translates observations into open, workable questions. It sharpens the problem frame without pre-thinking the solution, turning frustration or fuzziness into a search space with clear direction. | A Rich Picture brings an unclear situation onto a shared drawing. It captures actors, tensions, information flows, and blind spots before the team jumps to solutions too early. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30–45 min | 30-90 min | 2-4 h | 2-4 h |
Participantsdifferent | 1-10 | 2-10 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | HMW Questions, Challenge Framing, Idea Prompts | Rich Picture, Problem Framing Notes | Family Tree Diagram, Pattern Notes, Systemic Measures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | FramingOpportunityIdeationQuestions | Systems thinkingSoft systemsFramingVisualization | Root causePatternsIncidentSystemic | Root causeSafetyIncident |