9. The tangible non-transitory computer readable medium of claim 8 , wherein at least a portion of the executable instructions are carried out on a system comprising: a storage medium configured to store alphabetical test data; and a processor configured to retrieve the alphabetical test data and determine the reading fluency starting age by ranking the reading fluency score versus ages of the population of individuals of different ages contributing the alphabetical test data.
8. A tangible non-transitory computer readable medium comprising computer executable instructions executable by one or more processors for: determining a reading fluency starting age comprising testing a population of different ages on an alphabetical test comprising reading a sentence, ranking a reading fluency score on the alphabetical test versus ages of the population, and determining the reading fluency starting age as an age at which the reading fluency score on the alphabetical test versus ages of the population shows a maximum.