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An Extension of the Concept of Specific Objectivity

Published online by Cambridge University Press:  01 January 2025

Hans Irtel
Hans Irtel*
Affiliation:
University of Mannheim
*
Requests for reprints should be sent to Hans Irtel, Universität Mannheim, Fakultät PPE, Schloß Ehrenhof Ost, Raum 266, D-68131 Mannheim, GERMANY.
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Abstract

Comparisons of subjects are specifically objective if they do not depend on the items involved. Such comparisons are not restricted to the 1-parameter logistic latent trait model, but may also be defined within ordinal independence models and even within the 2-parameter logistic model.

Keywords

latent trait theoryspecific objectivity
Type
Original Paper
Information
Psychometrika , Volume 60 , Issue 1 , March 1995 , pp. 115 - 118
Copyright
Copyright © 1995 The Psychometric Society

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References

Baker, F. B. (1992). Item response theory: Parameter estimation techniques, New York: Marcel Dekker.Google Scholar
Birnbaum, A. (1968). Some latent trait models and their use in inferring an examinee's ability. In Lord, F. M., Novick, M. R. (Eds.), Statistical theories of mental test scores, Reading, MA: Addison-Wesley.Google Scholar
Fischer, G. H. (1987). Applying the principles of specific objectivity and generalizability to the measurement of change. Psychometrika, 52, 565–587.CrossRefGoogle Scholar
Irtel, H. (1987). On specific objectivity as a concept in measurement. In Roskam, E. E., Suck, R. (Eds.), Progress in mathematical psychology (pp. 35–45). Amsterdam: Elsevier Science Publishers.Google Scholar
Irtel, H., Schmalhofer, F. (1982). Psychodiagnostik auf Ordinalskalenniveau: Meßtheoretische Grundlagen, Modelltest und Parameterschätzung [Psychological diagnostics with ordinal scales: Measurement theory, goodness of fit tests, and parameter estimation]. Archiv für Psychologie, 134, 197–218.Google Scholar
Mokken, R. J. (1971). A theory and procedure of scale analysis, Paris: Mouton.CrossRefGoogle Scholar
Rasch, G. (1960). Probabilistic models for some intelligence and attainment tests, Copenhagen: Danish Institute for Educational Research.Google Scholar
Rasch, G. (1977). On specific objectivity: An attempt at formalizing the request for generality and validity of scientific statements. Danish Yearbook of Philosophy, 14, 58–94.CrossRefGoogle Scholar