Simultaneous assembly of multiple test forms

Willem J. van der Linden, J.J. Adema, Jos J. Adema

Research output: Contribution to journalArticleAcademicpeer-review

35 Citations (Scopus)
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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 remaining forms. It is shown how the method can be implemented using the technique of O-1 linear programming. Two empirical examples using a former item pool from the LSAT are given - one in which a set of parallel forms is assembled and another in which the targets for the information functions of the forms are shifted systematically.
Original languageEnglish
Pages (from-to)185-198
Number of pages14
JournalJournal of educational measurement
Issue number3
Publication statusPublished - 1998


  • METIS-135409
  • IR-58430


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