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Roycekimmons (talk | contribs) m Updated "Educational technology" category to "Computer-based testing." |
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If this exam is high volume, meaning that there is a large number of examinees, the security of the examination could be in jeopardy. Many of the test items would become well known in the population of examinees. To offset this, more forms would be needed; if there were eight forms, not as many examinees would see each item.
LOFT takes this to an extreme, and attempts to construct a unique exam for each candidate, within the given constraints of the testing program. Rather than publishing a fixed set of items, a large pool of items is delivered to the [[computer]] on which the examinee is taking the exam. Also delivered is a computer program to [[pseudorandom generator|pseudo-randomly select]] items so that every examinee will receive a test that is equivalent with respect to content and [[statistical]] characteristics,<ref> Luecht, R.M. (2005). Some Useful Cost-Benefit Criteria for Evaluating Computer-based Test Delivery Models and Systems. ''Journal of Applied Testing Technology'', 7(2).
==References==
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