What makes science, science? Theory. A theory in the natural sciences expresses the relationship between two or more idealised concepts. Idealisations are pure, perfect representations of real things; they are theoretical, not real, yet chosen by nature, not the scientist. The real phenomena can be measured, objectively, with instruments. Science theory cannot deal with a single concept and does not depend on definitions. Concepts understandable without definitions are distinct, not nuanced. A science theory is falsifiable.
The concepts of social science are subjective perceptions. Their only measurable, objectively real existence is as nerves firing in brains. Natural science theory interrelates intensities of concepts (not frequencies of occurrence). Lacking units of measure of intensity, a scientific social theory can only interrelate extremes of presence and absence.
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