| 摘要 |
A test system realizes in an English ability test, etc. not only binary correct-false evaluation but also a partial score. The test system uses a computer ( 101, 102 ) including an input/output device ( 207, 208 ) and a network ( 103 ) such as the Internet, etc., and uses a partial test score model obtained by amending the conventional Item Response Theory in estimating an item parameter and ability. In the partial test score model, a partial score is assumed to be a true-false average of a plurality of items having the same parameters. Using the test system of the present invention, a test of the presentation format which is hard to determine the correct or wrong answer such as writing and speaking tests in a foreign language test, etc. can be more easily controlled than in the conventional system.
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