超越700：GMAT算分秘技(1)

Have you ever wondered what it takes to break the 700 barrier on the GMAT? This month, we will take a look at crossing that increasingly important threshold.

　　 One of the great GMAT myths is that the first 8 questions in each section "make or break" your score and that nothing you do after that point has much of an effect on the score you end up with. False! Eight questions are not enough to determine your score. If they were enough, each section would consist of 8 questions.

　　 One of the consequences of the myth is the belief that in order to break 700, you must answer those first 8 questions correctly. Untold numbers of test-takers have labored over the first eight, afraid that any mistake will send their scores plummeting to unthinkable depths. While it is true that you should give each question your best shot, the absolute number of questions answered correctly is not as important as their difficulty level. Better to have a 50/50 success rate at a high level than a 50/50 success rate at a lower one, even though the percentage of right and wrong answers is the same.

　　 The most serious upshot of this myth is that its believers spend far too much time on the first eight questions and then find themselves racing to finish the section. Often, these test-takers run out of time and leave some questions unanswered at the end of a section. Given that unanswered questions are essentially counted as incorrect answers, it makes more sense to move at a steady pace throughout the entire section rather than concentrate on any particular subset of questions. In fact, spending too much time on early questions may actually damage rather than help your final score.

　　 Also, keep in mind that even for a test-taker of very high ability, getting the first eight questions correct in a section is highly unlikely, even if that test-taker spends a lot of extra time on those first eight questions! Remember, due to the adaptive nature of the exam, if you get the first question in a section correct, you will be bumped up to a very difficult second question. If you get that second question right, your third question will also be at an extremely high difficulty level. You will continue to see questions at this very high difficulty level until you get a question wrong, at which point the exam will adjust the difficulty level downward somewhat. Even test-takers of very high ability levels usually cannot sustain accuracy through the first eight questions in a section.

　　 Do not become a victim of the "first 8" myth: give every question your best shot, but do not let any one group of questions drive your entire performance.
Check in next week's GMATTERS when we look at the specific numbers you need in quantitative and verbal to get over the 700 mark.

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