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Equating Error in Observed-Score Equating [PDF]

Applied Psychological Measurement, 2006
Traditionally, error in equating observed scores on two versions of a test is defined as the difference between the transformations that equate the quantiles of their distributions in the sample and population of test takers. But it is argued that if the goal of equating is to adjust the scores of test takers on one version of the test to make them ...
Wim J. van der Linden, van der Linden, Willem J.   +1 more
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Equations of State and Constitutive Equations

Journal of Rheology, 1986
Equations-of state information in the otherwise undeformed state as a starting point for the development of constitutive equations is considered in addition to thermodynamics, free energy functions, and conceptual difficulties including the definition of reference states for strain.
Landel, Robert F., Peng, Steven T. J.
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Using the Circular Equating Paradigm for Comparison of Linear Equating Models

Applied Psychological Measurement, 1990
Equating error was estimated using the same test by three linear equating methods in three paradigms: (1) single-link equating of a test to itself, in which a test was administered on two different dates and the later administration was equated to ...
Gafni, Naomi, Melamed, Estela
exaly   +2 more sources

George Dantzig: Equations, Equations, and Equations

2013
Dantzig was the progenitor of the simplex method for linear programming. A viewpoint in his spirit approaching P versus NP entirely via linear equations is presented and defended.
Richard J. Lipton, Kenneth W. Regan
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Heun’s Equation and the Hypergeometric Equation

SIAM Journal on Mathematical Analysis, 1979
The present investigation determines under which circumstances Heun’s equation can be derived from the hypergeometric equation by rational substitutions.
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Pattern Equations and Equations with Stuttering

1999
Word equation in a special form X = A, where X is a sequence of variables and A is a sequence of constants, is considered. The problem whether X = A has a solution over a free monoid (PATTERN-EQUATION problem) is shown to be NP-complete. It is also shown that disjunction of a special type equation systems and conjunction of the general ones can be ...
Ivana Cerná, Ondrej Klíma 0001, Jirí Srba   +2 more
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