Critics have also stated that the computer-adaptive method of placing more weight on the first several questions is biased against test takers who typically perform poorly at the beginning of a test due to stress or confusion before becoming more comfortable as the exam continues.  On the other hand, standard fixed-form tests could equally be said to be "biased" against students with less testing stamina since they would need to be approximately twice the length of an equivalent computer adaptive test to obtain a similar level of precision. 
i got my scores online as well, 161 verbal, 151 quant. the projected scores that i received when i finished the test didn’t match up with my actual score for the verbal, the range they gave me was 650-750 but my actual score converts to a 620 according to the GRE scoring guide linked above. I’m a little disappointed. I want to get my masters in public history so my quantitative won’t really matter. I’m still confused as to how they actually scored this. If 140 is the base does that mean you can get every single question wrong and still get a 140? There is only a 30 point range from lowest possible score to highest but there are definitely more than 30 questions on the test, so how do they weigh it, how much is each question worth? i’m so confused. Can anyone explain it?