Search results for author:"J. Qi"
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Integrating Test-Form Formatting into Automated Test Assembly
Qi Diao; Wim J. van der Linden
Applied Psychological Measurement Vol. 37, No. 5 (July 2013) pp. 361–374
Automated test assembly uses the methodology of mixed integer programming to select an optimal set of items from an item bank. Automated test-form generation uses the same methodology to optimally order the items and format the test form. From an...
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Automated Test Assembly Using lp_Solve Version 5.5 in R
Qi Diao; Wim J. van der Linden
Applied Psychological Measurement Vol. 35, No. 5 (July 2011) pp. 398–409
This article reviews the use of the software program lp_solve version 5.5 for solving mixed-integer automated test assembly (ATA) problems. The program is freely available under Lesser General Public License 2 (LGPL2). It can be called from the...
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Automated Test-Form Generation
Wim J. van der Linden; Qi Diao
Journal of Educational Measurement Vol. 48, No. 2 (2011) pp. 206–222
In automated test assembly (ATA), the methodology of mixed-integer programming is used to select test items from an item bank to meet the specifications for a desired test form and optimize its measurement accuracy. The same methodology can be used...