the agony, the statistical deviations

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DK1

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Retakers, or anyone who is good at guessing: What are maximum deviations from your practice AAMC test scores? For example, I took the AAMC 7 and I scored 10PS 12V 11BS. But today (I had Form EK), the PS ripped me a new hole....pardon the language, but it did. The verbal seemed MUCH easier than any other Verbal I'd taken, and so did Bio (thank God only easy Orgo). I'd be surprised if I missed more than 10 on Bio and more than 6 or 7 on the Verbal.* But how does this translate to score deviation?

Are the AAMCs SO well standardized per form that they KNOW how much you know, meaning that you'll never deviate from a two-point range on each section? In other words, just because I think it's hard, does it mean that it's actually a hard test and is curved beneficially, or does it just mean that by chance I was tested on my weaknesses? Is there a seven-point total range for your possible score, or really only a two-point total range (32-33, etc.) that you would probably make?

This statistical analysis is agonizing. But would my practice AAMC 7 scores of 10PS 12V 11BS translate to 9-11PS, 11-13V, 10-12BS (total range 30-36) on a real test, or like a 32-34 regardless of how hard or easy the test felt? Does your score really vary on how the test "feels"? Bottom line: how "smart" is the AAMC standardization?

here's a horror story: my friend took the MCAT three times. Her scores were as follows

PS 7, 8, 7
V 10, 9, 8
BS 8, 9, 9
WR T, S, T
Total 25, 26, 27
so her overall score was the lowest the third time but it seems the AAMC is pretty consistent/accurate. Never does chance boost your score in your favor.

Another question: On most of the AAMC PTs, you can miss 20 and make a 10 on PS. On the real thing do you think the scaling is a lot worse because of the experimental sections? i.e. if you miss 20 out of 55 non-experimental questions (say b/c by chance those were the passages you skipped due to time), and happen to get all the experimental questions correct, would this system screw you and leave you with a score of an 8 or something similar?

So ANYWAY how much have you guys deviated from previous exams or from AAMC practice tests, or how much have you deviated between AAMC practice exams despite minimal increase in knowledge?
 
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