I wanted to add a couple of things to what Ginny said about SATs. The SATs have been a burr under my saddle since ETS “re-centered” the test in 1994. Mensa* no longer accepts the new SAT because the statistics are now so screwy – they no longer correlate with IQ. The scores had been dropping for a while prior to 1994 and the educational powers-that-be wanted to hide it, so they re-jiggered the baseline. In practice, this meant a 100 – 200 point increase in the composite score – I knew of 2 kids who took both the 1993 and 1994 version (within a few months, and without extra test prep, so extra schooling was not a factor), and that was the difference in their scoring. N of 2, I know, but I have evidence I’ll provide lower down that this is pretty typical.
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