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Download full textvan der Linden, Wim J.; Adema, Jos J. – 1997
An algorithm for the assembly of multiple test forms is proposed in which the multiple-form problem is reduced to a series of computationally less intensive two-form problems. At each step one form is assembled to its true specifications; the other form is a dummy assembled only to maintain a balance between the quality of the current form and the…
Descriptors: Algorithms, Foreign Countries, Higher Education, Linear Programming
van der Linden, Wim J.; Luecht, Richard M. – 1997
A set of linear conditions on the item response functions is derived that guarantees identical observed-score distributions on two test forms. The conditions can be added as constraints to a linear programming model for test assembly that assembles a new test form to have an observed-score distribution optimally equated to the distribution of the…
Descriptors: Equated Scores, Foreign Countries, Higher Education, Item Response Theory
