<p>It is LSAT vs. GPA data, but it’s from a mostly-not-self-reported website.</p>
<p>The LSAC compiles average GPA and LSAT data from each school, and reports that number to each candidate. That candidate thus knows the total number, and he then goes and punches it into a database. In other words, it’s not a point-by-point regression; we know the mean for each school definitively.</p>
<p>But it does not include premedical populations; in fact, it doesn’t include anybody who didn’t apply to law school. So I think it would, indeed, be best to make the adjustment based on SAT scores.</p>
<p>My personal favorite model would be to use incoming SAT scores and compare outgoing GPA-in-premed-requirements. But we don’t seem to have that data available to us.</p>