All skills
Evidence
Find support, test its strength, and use it persuasively.
Two beginner · two intermediate · two advanced
Beginner · About 4 minMatch evidence to a claim
Start lesson- EvidenceBeginner
Match evidence to a claim
Choose support that measures what your claim says.
- EvidenceBeginner
Check a source
Trace a claim to its original evidence and inspect the method.
- EvidenceIntermediate
Separate facts from predictions
Distinguish an observation, forecast, and value judgment.
- EvidenceIntermediate
Interpret statistics
Keep denominators, units, and comparison periods intact.
- EvidenceAdvanced
Test causal claims
Look for comparison groups, alternative causes, and the proposed mechanism.
- EvidenceAdvanced
Handle uncertainty
Make a defensible decision while stating what the evidence leaves open.
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