Browsing by Author "Rozeboom, William W."
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Item The crisis in philosophical semantics(University of Minnesota Press, Minneapolis, 1970) Rozeboom, William W.Item The factual content of theoretical concepts(University of Minnesota Press, Minneapolis, 1962) Rozeboom, William W.Item Postscript to "The reliability of a linear composite of nonequivalent subtests"(1991) Rozeboom, William W.Some practicality clarifications for use of the composite-reliability formula developed in Rozeboom (1989) are described. A microcomputer program is announced to implement the calculations, and a prior source of related work is identified. Index terms: composite reliability, item weighting, nonequivalent subtests, non-homogeneous item composites.Item The reliability of a linear composite of nonequivalent subtests(1989) Rozeboom, William W.Traditional formulas for estimating the reliability of a composite test from its internal item statistics are inappropriate to judge the reliability of multiple regressions and other weighted composites of subtests that are appreciably nonequivalent. Formulas are provided here for the reliability of such a composite given the reliabilities of its component subtests, followed by a comparison of the composite’s reliability to that of its components. Compositing can easily incur a substantial loss of reliability, though gains are entirely possible as well. Index terms: combining nonequivalent subtests, composite reliability, item weighting, nonequivalent subtests, nonhomogeneous item composites.