EIGHT D) 8-D

short for Standard Operating Procedure 8-D, the name of a Scientology auditing procedure which had the goal of bringing the preclear to tolerate any viewpoint. It was for use by trained Scientologists, primarily on heavy cases.the name of a Scientology auditing procedure which had the goal of bringing the preclear to tolerate any viewpoint. It was for use by trained Scientologists, primarily on heavy cases.