Quiz

Twenty clinical scenarios, about 25 minutes. Each question has one best answer; check it to see the explanation. When you have checked all twenty, a table shows your results across five topics: data leakage, choosing a method, clinical application, medical imaging and temporal data.

Nothing is stored or sent anywhere. Reloading the page starts again.

Where to go next

• Tutorials: the same ideas with code that runs.
• Interactive visualisations: how each splitter divides the data.
• Data leakage: what each trustcv check catches, and what no check can see.