旨在提高上述测试题的信度和效度，以期对教师们在英语日常教学与测试中正确运用这些题型提供有效的帮助。
It aims at improving the validity and reliability of the test items, which will be helpful to teachers in their use of these test items.
通过对生成试卷进行分析，比对试卷信度与试卷效度，得出了试题均匀分布算法的实用性。
Result: By analyzing and testing reliability and validity of the papers, the practicality of this algorithm is to be proved.
我国几种英语测试写作题型的效度分析表明：各种写作测试题型均以保持与相关教学大纲所规定的教学目的高度一致来达到效度要求。
Analysis of a few types of English testing shows that all the writing parts should meet the requirements of effectiveness by making all test parts be in agreement with teaching aims.
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