ERIC Number: EJ812326
Record Type: Journal
Publication Date: 2008-Jul
Abstractor: As Provided
Reference Count: 27
Other Historical and Philosophical Perspectives on Invariance in Measurement
Fisher, William P., Jr.
Measurement: Interdisciplinary Research and Perspectives, v6 n3 p190-194 Jul 2008
Engelhard draws out the similarities and differences in Guttman's, Rasch's, and Mokken's perspectives on invariance in measurement. He provides a valuable model in evaluating the extent to which different measurement theories and methods serve as a basis for achieving the fundamental goals of quantification. The full extent of this point will become more apparent in light of the forthcoming publication of Andrich's (Andrich, 2008) new derivation of the rating scale model from Guttman subspaces, formally cementing the Rasch elaboration of Guttman scaling. Focusing on established perspectives on invariance, Engelhard leaves three points in the background: (1) the metaphysical status of invariance as the criterion hallmark of meaningfulness and existence, and so of validity; (2) the place of invariantly calibrated instruments as portable media through which research communities acquire common languages, common points of reference, and the magnified power of distributed cognition; and (3) the role of anomalous failures of invariance in prompting the search for explanations of consistent inconsistencies that might lead to discoveries of new variables. These points correspond, respectively, to the three moments of the ontological method: reduction, construction, and deconstruction (Heidegger, 1982, pp. 19-23, 320-330). Each will be taken up in turn to point the way toward other ways in which "historical and philosophical work on measurement theories can highlight progress, and in some cases lack of progress, related to various measurement issues and problems" (Engelhard, p. 23).
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Publication Type: Journal Articles; Opinion Papers
Education Level: N/A
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