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2012年雅思考试时间如何选择
2013-07-24 13:59 来源:网络整理 点击:

2012年雅思考试已经开始报名了,如何选择考试时间呢?为了方便广大雅思考生更好的选择及有针对性的复习,无忧托福网整理收集了2012年雅思考试时间如何选择,以供各位考生考试复习参考,希望对考生复习有所帮助。

由于雅思考试每次的试题是不同的,因此考生就会认为某些场次的考试相对简单,而某些场次的考试则会难一些。大家都希望能够选择一场相对简单的考试来参加,这样就可能获得更好的成绩。但是,这样的机会真的存在吗?

在几年前的雅思考试中,这样的机会是存在的。由于2005年以前,雅思考试题库中的题目非常少,留学,所以样本的差异较大,每次考试多多少少都会存在难度上的差异。而由于当时题库小且规律性极强,能够轻松预测到考试的版本。有兴趣的同学可以到3G雅思网翻翻2005年的预测,基本上全部听力预测只有20多个版本,只要考旧题命中率就是100%。从2003年起,雅思考试中心开始有计划地使用新题,科技,并将新题补充到题库之中。2005-2006年引入的新题的数量达到了高峰,有时候听力、阅读都会出现所有的sections全部都是新题的情况,使机经完全失效,目前听力机经中的大量的V30***和V50***版本都是在那几年产生的。不过,那几年出现新题规律性非常强,可以根据规律预计到哪场出新题,哪场出旧题,因此可以给大家提供报考场次上的建议。但是,随着雅思考试题库的不断丰富,目前的考试规律性已经没有那么强了,而且基本不会出现全部是新题的考试,多数场次是由大量旧题和少量新题组合而成的。因此,报名,从出现新题的角度讲,每场雅思考试之间的差异已经不大了。

那么,在考试难度上是否还有差异呢?由于雅思考试的题库已经趋于稳定,近几年每年雅思考试中心都会对过去一年中所有的考试版本作可靠性评估,即评估这些考试版本是否能够客观稳定的反应考生的英语水平,从另一个角度讲,其实也就是在检验每场考试的难度差异是否越来越小。

从IELTS ORG提取了2010年度的雅思考试可靠性评估数据,给大家分析如下:

听力:

Module (All Academic and General Training versions) Alpha

Listening version4870.89

Listening version4880.91

Listening version4890.9

Listening version4900.91

Listening version4910.9

Listening version4920.9

Listening version4930.91

Listening version4940.9

Listening version4950.9

Listening version4960.89

Listening version4970.9

Listening version4980.89

Listening version4990.91

Listening version5000.92

Listening version5010.9

Listening version5020.89

Listening version5030.92

Listening version5040.92

Listening version5050.91

Listening version5060.89

Listening version5070.91

Listening version5080.91

Listening version5090.91

Listening version5100.91

Listening version5110.91

Listening version5120.92

Listening version5130.91

Listening version5140.92

Listening version5150.9

Listening version5160.92

Listening version5170.91

Listening version5180.93

Listening version5190.92

Listening version5200.9

Listening version5210.9

Listening version5220.91

Listening version5230.91

Listening version5240.89

Listening version5250.9

Listening version5260.91

Listening version5270.9

Listening version5280.9

Listening version5290.91

Listening version5300.91

Listening version5310.9

Listening version5320.91

Listening version5330.92

Listening version5340.87

Average Alpha across versions 0.91

G类阅读

Module Alpha

General Training reading version3720.87

General Training reading version3730.9

General Training reading version3740.89

General Training reading version3750.9

General Training reading version3760.91

General Training reading version3770.91

General Training reading version3780.91

General Training reading version3790.91

General Training reading version3800.92

General Training reading version3810.92

General Training reading version3820.93

General Training reading version3830.91

General Training reading version3840.89

General Training reading version3850.92

General Training reading version3860.9

General Training reading version3870.92

General Training reading version3880.93

General Training reading version3890.92

General Training reading version3900.94

General Training reading version3910.91

General Training reading version3920.9

General Training reading version3930.92

General Training reading version3940.91

General Training reading version3950.92

Average Alpha across versions 0.91

A类阅读

Module Alpha

Academic reading version4870.88

Academic reading version4880.9

Academic reading version4890.92

Academic reading version4900.9

Academic reading version4910.9

Academic reading version4920.92

Academic reading version4930.89

Academic reading version4940.87

Academic reading version4950.91

Academic reading version4960.88

Academic reading version4970.92

Academic reading version4980.91

Academic reading version4990.84

Academic reading version5000.91

Academic reading version5010.9

Academic reading version5020.89

Academic reading version5030.89

Academic reading version5040.89

Academic reading version5050.93

Academic reading version5060.91

Academic reading version5070.92

Academic reading version5080.85

Academic reading version5090.86

Academic reading version5100.9

Academic reading version5110.89

Academic reading version5120.9

Academic reading version5130.91

Academic reading version5140.91

Academic reading version5150.88

Academic reading version5160.92

Academic reading version5170.9

Academic reading version5180.91

Academic reading version5190.91

Academic reading version5200.91

Academic reading version5210.89

Academic reading version5220.92

Academic reading version5230.9

Academic reading version5240.9

Academic reading version5250.92

Academic reading version5260.91

Academic reading version5270.9

Academic reading version5280.89

Academic reading version5290.89

Academic reading version5300.91

Academic reading version5310.89

Academic reading version5320.89

Academic reading version5330.9

Academic reading version5340.9

Average Alpha across versions 0.9

听力和阅读模块中报告的数字表明了各自的40个测试项目的可靠性水平。在这些可靠性数字的基础上,电子书,IELTS ORG对其标准差进行测算得到结果:

雅思2010听力和阅读均值及标准差测量

MeanSt deviationSEM

Listening6.041.300.389

Academic Reading5.971.210.382

General Training Reading5.741.370.412

写作和口语模块的可靠性由于是主观题目,并不能采取听力和阅读的方式,但也通过了可靠性测试。

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