Answer :
The belief that knowledge should be derived from scientific observation is an example of positivism. So the correct option is B.
What is positivism?
The scientific study of the social world is known as positivism. Its purpose is to develop abstract and universal principles governing the workings of the social realm. Law means that is a statement concerning the interactions of forces in the cosmos.
Laws must be tested against obtained evidence in a methodical manner according to positivism. Auguste Comte championed positivism as a way of legitimizing the emerging subject of sociology, using Newton's law of gravity as an example.
Therefore the correct option is B.
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