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题组是受同一信息来源影响下的若干题项所构成。题组反应理论是建立在项目反应理论之上对题目参数进行更加精准的估计与分析的理论,这一理论对语言测试的自适应测试中的运用十分重要。
The group consists of a number of items under the same source of information. The group reaction theory is based on the theory of project response to the topic parameters more accurate estimation and analysis of the theory, the theory of language testing adaptive test is very important.