Please see: http://predoc.org/docs/index-169789.html for an article questioning the efficacy of FSTs
<h2>Separating Myth from Fact: a review of Research on the Field Sobriety Tests</h2>For over a decade Marcelline Burns, senior author of an often-cited 1977 NHTSA (National Highway Traffic Safety Administration) report and co-author of a 1981 NHTSA study, has traveled across the country extolling the virtues of the new and improved Field Sobriety test (FST) battery.<br /><a href=http://predoc.org/docs/index-169789.html>read more</a><br /><a href=http://predoc.org/download/docs-169789/169789.doc>download</a><br />