SAFMEDS = Say All Fast a Minute Each Day
SAFMEDS on the web
The best set of directions I've seen so far: SAFMEDS cards: Instructions - begins with the words: "I’m going to show you a method that will make it easier to learn the NEW terms (i.e., facts or rules) contained in the CLM Course of Study."
Is Fluency Free-Operant Response-Response Chaining? by Ogden R. Lindsley - inventor of SAFMEDS; explains the rationale
Ogden R Lindsley and the History of Precision Teaching
update: Youtube video explaining SAFMEDS -- and, about 6 minutes in, celeration charts