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| Criterion |  Operations Eat the Frog |  Product Discovery Experiment Canvas |  Operations Getting Things Done |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-90 min daily | 30-60 min | 1-2 h Setup, laufend | 20-35 min |
Participantsdifferent | 1 | 1-5 | 1 | 1-5 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Priority Task, Completion Note, Daily Focus | Completed Experiment Canvas, Success Metric | Action Lists, Project List, Review Routine | Test Card with a pre-set threshold |
Tagsno overlap | PrioritizationProductivityFocusExecution | ExperimentsValidationDiscoveryHypothesis | ProductivityPlanningTasksExecution | ExperimentsValidationDiscoveryHypothesis |