When are theories modified or revised?

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Penelope Glenn

8 August, 22:50

When are theories modified or revised?

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Irvin Lutz · Answer 1

Theories are modified or revised where there is a new evidence which is at odd with the old theory, and which the old theory cannot explain.

They're modified when the old theory can't explain the new data and revised if it's predicting the opposite of the new data.