Other ways of explaining the observation must be considered.
Arguments for the claim must be rational, well-reasoned and not commit fallacies.
Evidence for the claim must be evaluated honestly, without bias or self-deception.
A conclusion can change with new evidence.
It must be possible to think of evidence that would disprove the claim.
Evidence for a claim must be reliable, comprehensive and sufficient.
Evidence for a claim should be able to be repeated.
Copy the link below to share this lesson with others.