这是答题分析第一页 给要机考的做参考 原来还有一个指数叫 power 但答题分析看不到 还有他如何判断正确答案是猜的 真神奇 Important Information About Scoring the Computer-Based GRE General Test The computer-based GRE General Test is different from a traditional paper and pencil test. In a paper-and-pencil test, examinees receive the same set of questions. An appropriate score can be determined simply by adding up the number of questions answered correctly regardless of their difficulty. The computer-based GRE General Test is an adaptive test that varies the questions you receive to make a test that is tailored for a person at your level of ability. Your score on this test depends on the entire pattern of your answers, not just on the number you answered correctly. The contribution of a question to your score depends on the following three factors: (1) the power of the test question (as determined by data obtained from past administrations) to distinguish between examinees at every level of ability, (2) the level of difficulty of the test question, and (3) the probability that a correct response for the question could have been guessed. The test question's characteristics, as described by the three factors above, are integrated in the ongoing estimation of your performance level. In addition, as you proceed through the test, your answers to previous questions are continually used to further refine your score estimate. Therefore, it is entirely possible for two examinees who answer the same number of questions correctly to receive different scores. Your score also depends on how much of the test you completed. Poor time management can result in an incomplete test or random guessing at the end of a test. It is important that you pace yourself properly and use a reasonable amount of time on each question rather than spending too much time on a few questions and too little time on the remaining ones. --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 220.136.210.145