<p>The scale is pretty typical. Writing always seems harsh (-3 = 70 mc), but it’s like that on every test. Compared to Oct 2011, it looks like math and writing are about the same, but reading had a tougher scale this year. Oct 11 Reading was raw 64=800.</p>
<p>I thought they used experimental to determine difficulty level of the problems. Then the test is curved after the official test. But maybe I’m wrong?..</p>