It comes from a very strong quantitative scientific basis and was pioneered by Ogden Lindsley in the 1960s based largely on Skinner's operant conditioning.
Precision teaching is a type of programmed instruction that focuses heavily on frequency as its main datum.
[1] Children as young as five have charted their fluency measurements and utilized precision teaching to increase their learning.
"When I was a graduate student, I trained a rat whose behavior did not extinguish exactly as the charts in Skinner's book had shown.
I took the cumulative record of the rat's unusual extinction to Dr. Skinner and asked him how this had happened.