Some Notes on Operationism and the Concept of Validity

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References

C. S. Peirce: Collected Papers, Vol. 5, § 412.

George Lundberg : Foundations of Sociology, pp. 58-65. New York 1939 .

Torsten Husén : Om innebörden av psykologiska mätningar, p. 21. Lund 1949.

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Torsten Husén : Testresultatens Prognosvärde, p. 20.

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Rudolf Carnap : Testability and Meaning, Philosophy of Science 1936, 1937. 8. Quoted from Ekman, op. cit., p. 54.

Ekman, op. cit., p. 55.

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Arthur Pap , op. cit, p. 10 ff.

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Helen Peak : Problems of Objective Observation, Ch. 6: Leon Festinger & David Katz: Research Methods in the Behavioral Sciences. New York 1953.

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W.V.O. Quine : Two Dogmas of Empiricism, p.