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Zhang, Jinming; Chang, Hua-Hua – ETS Research Report Series, 2005
This paper compares the use of multiple pools versus a single pool with respect to test security against large-scale item sharing among some examinees in a computer-based test, under the assumption that a randomized item selection method is used. It characterizes the conditions under which employing multiple pools is better than using a single…
Descriptors: Comparative Analysis, Test Items, Item Banks, Computer Assisted Testing