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GMAT数学算分方式详细介绍

2018-08-06 14:47:00来源：网络

　　GMAT数学是GMAT考试中的主要组成部分，了解考试的算分方法，有助于大家更好地规划布局自己的复习内容。今天新东方在线GMAT频道就为大家整理了详细的GMAT数学的算分方法，供大家参考。

　　There have been numerous discussions around the importance of the first few questions on the GMAT, or for that matter any adaptive test. Misconceptions float around stating that if you do the first few questions incorrect, you cannot score well; so there is more weightage to the first few questions.

　　High reward vs high penalty

　　If the adaptive algorithm works perfectly, it tries to reward you higher for each subsequent question that you mark correctly. That is just because the questions that you will receive then will be more difficult. So to reach the high reward zone, you need to answer many subsequent questions correctly. If you reach the high penalty zone, which you can by answering consecutive questions incorrectly, it is difficult to recover from it ‘given limited questions’.

　　So it is important that you reach high reward zone as quickly as possible and this is when you answer the first few questions correctly. How much is first few? Are the first 10 questions important?To answer that, we did some tests, both on and Edvento and below are the results.

GMAT数学算分方式

　　Analysis: As seen by the above result, the first questions turned out to be vital. Quant 38 is actually 48th percentile, which is not so good. Once you are in the high penalty zone, it is quite difficult to recover till the end. We did the same number of questions incorrect in Verbal and got 37, which is 81st percentile, an awesome score. So in Verbal, we had reached high reward zone and we didn’t go as down as we did in Quant with the same number of questions incorrect.

GMAT数学算分方式

　　Analysis: This time we reversed the order. By marking last 10 questions incorrect instead of the first 10, the quant score jumped from 38 to 50 and percentile jumped from 48th to 92nd percentile. A significant improvement. Similarly for Verbal, we marked first 11 incorrect instead of last 11 and the verbal score dropped from 37 to 22. Both in GMATPrep and Edvento, it’s the same. The percentile significantly dropped from 81st to 27th percentile.

　　From the above two tests, it is clear that:

　　1) The first few questions are vitally important for your score

　　2) Edvento tests’ adaptive logic closely mimcs that of the official GMATPrep.

　　We also did some miscellaneous scenarios to see how those affect your scores in the GMAT and Edvento Tests.

GMAT数学算分方式

　　Analysis: In quant, we did 10 out of 37 (1/3rd) incorrect in Quant. But we still reached a quite high score. That implies that though we were going down in ability in between, but at the stage (till 15th question) the damage is not that much that we could not recover from it by the 37th question. In Verbal, we tried something new, instead of 11 incorrect at the end, we did last 6 incorrect. That added a verbal score improvement of 6 points from 37 to 43 (95th percentile). That makes Verbal quite difficult to improve if even at this stage there is significant improvement.

GMAT数学算分方式

　　Analysis: In quant, this time, we marked every 3rd question incorrect, as you can see from the plot. This did not seem to affect our high score from scenario 3. So 12 questions incorrect at equal intervals or 11 questions incorrect exactly in the middle, are essentially the same. So mixed incorrect in first few won;t affect the scores much. In verbal, we reversed scenario 3 and did first 6 incorrect. We scored 36 (79th percentile), not bad. But instead if we had done 11 incorrect (scenario 2), we would have scored just 22 (27th percentile).

　　Final verdict: First few questions are extremely important to mark correct consecutively. But if it is taking too much time (>2 mins per question), just guess and move on. A few questions incorrect won’t matter much.

　　以上就是为大家整理的“GMAT数学算分方式详细介绍”，更多精彩内容敬请关注新东方在线GMAT频道!


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