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A largely abandoned doctrine of logical positivism, propounded by the US philosopher of science Percy W. Bridgman (1882–1961) in his book The Logic of Modern Physics (1927), according to which concepts derive their meaning solely from the operations through which they are observed so that, for example, intelligence is defined as whatever intelligence tests measure. Also called operationism. See also operational definition. operationalistic adj. Of or relating to operationalism. operationalize vb. To make operational or to formulate an operational definition of something.

Subjects: Philosophy — Psychology.

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