This is just neat. I saw the link in a post on Tess Ferrandez's blog. She's an escalation engineer with Microsoft based on her profile. I initially signed up for her blog because of how she covers debugging. In any case, the Socratic method was used to teach 3rd graders the concepts of binary numbers. Based on what's in the transcript, it worked!
The Socratic Method: Teaching by Asking Instead of Telling
IT Security, MySQL, Perl, SQL Server, and Windows technologies.