
Falsifiability (Karl Popper)
Falsifiability, a concept introduced by philosopher Karl Popper, is the idea that for a theory or statement to be considered scientific, it must be testable and capable of being proven wrong. In other words, a scientific claim should make predictions that can be tested through experiments or observations. If evidence shows the prediction is false, the theory can be rejected or revised. This criterion helps distinguish scientific ideas from non-scientific ones, which cannot be tested or refuted. Falsifiability ensures that scientific knowledge is open to refutation, fostering progress and critical investigation.