Suppose you advance a theory that says that all cats have good night vision. You then set out to test the vision of cats all around the world, because if you find cats who can't see well at night then your theory will be refuted. In the context of critical thinking, this is an example of

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This is an example of falsifiability because the theory is being tested by looking for evidence that contradicts it. If cats are found that don't have good night vision, then the theory is falsified.

Suppose You Advance a Theory That Says That All Cats