At the onset of the lectures, SOP III was the recommended procedure. During the course, routines SOP IV AND V were developed, piloted, codified, and introduced as more efficient methods to be used in auditing at the time
. Refined for Pre-Clears and introduced to Student auditors, these would later become what would be known as the OT levels on the Scientology grade chart, though quite different modernday.
PURPOSE: To train a Pre-OT to be OT, what his/her potential is, and on how to reach that potential.
Prerequisites: The Student Hat Course