<p>Does one exist???</p>
<p>I would think so, but how proven is it?</p>
<p>Any specific data?</p>
<p>There has been no correlation done that I am aware of. Also, the tests really are not similar (and are made by different companies; though they both have "SAT" in the name, they are completely unrelated and LSAT simply stands for Law School Admission Test)</p>