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| Criterion |  Systems Thinking Theory of Constraints Thinking Process |  Product Discovery Experiment Canvas |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 0.5-3 Tage | 30-60 min | 20-35 min | 25-40 min |
Participantsdifferent | 4-10 | 1-5 | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | Theory of ConstraintsConstraintsSystems thinkingCausality | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |