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GRE写作Argument 模板+错误分类
调查
1. Selective sample:样本选择,一部分被排除在外
One major problem is about the sample the author studied in the survey. the author considers only...(selective sub-groups) although (the sub-groups the author studied) do constitute a significant part of (the whole general population), however, (many other sub-groups) are actually excluded from the survey. Perhaps...or...without ruling out all the possibilities above, the author could not make any general conclusion about...merely based on (selective sub-groups).
4,14,16,45,63,65,67,80,84,88,90,97,123,146,154,156,168,179,185,193,196,207,227,231,232,236,238,239
2. Quantity of the sample样本数量
( pointing out that the current sample is too small in its size)(the fact cited by the author) could hardly illustrate the assumption that... because the author provides only N samples of (the general population),however, (the limited sample) might not be representative of the whole general group. thus we cannot accept the author’s conclusion that...before he/she could provide more statistic data about (the situation of other sub-groups).
10,14,33,40,53,69,95,115,123,132,139,150,154,158,167,179,180,188,191,239
3. Do the statistics make any difference:调查只调查了部分情况,忽略了一部分
...