<p>It hardly matters, really. These people are trained to read tens of thousands of applications annually, so if they spot an applicant who seems like Stanford material, it’s an acceptance.</p>
<p>The only real advantage is that it shows your interest in Stanford. The only real disadvantage is that you’ll be compared to some of the best applicants, and even the most seasoned adcom may have a psychological conviction based on the applications he reads during the SCEA round.</p>
<p>If you think you have a fairly good shot and that Stanford is your #1…go SCEA!</p>