摘要
利用基于Rasch模型的DIF检验方法,对近10年高考数学106道选择题进行性别DIF检验,得出有利于男生的试题有55道,有利于女生的试题有51道,在14道中度和重度以上DIF试题中,各有7道题分别有利于男生或女生,因此可以得出试题在总体上没有较大的性别差异;再通过对14道具有中度和重度以上DIF试题考查的内容和能力进行分析得出,男生在空间想象能力方面具有一定的优势,女生在计算能力方面具有一定的优势,造成差异的原因除与试题特征(考查的内容和能力)有关外,还可能与考试过程中的心理因素有关,需要综合考虑多种因素并加以验证。
Using the method of DIF based on Rasch model, 106 math multiple choice items of the college entrance examinations in the recent 10 years are tested by gender DIF test. It can be concluded that 55 items are to boys' advantage, while 51 items are to girls'. Among 14 items with moderate DIF or above, 7 items are to boys' or girls' advantage respectively, so it can be concluded that there is no significant gender difference in the whole test.Analyses of content and ability of the 14 items indicate that boys have certain advantage in spatial imagination and girls in computing. In addition to test features(content and ability), psychological factors during the test may also contribute to these differences. Different factors need to be considered and verified.
引文
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