12. A tangible non-transitory computer usable medium including a program comprising one or more instructions executable by one or more processors for determining a reading fluency starting age comprising: computer program code for testing a population of different ages on an alphabetical test comprising reading a sentence; computer program code for ranking a reading fluency score on the alphabetical test versus ages of the population; and computer program code for 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.
12. A tangible non-transitory computer usable medium including a program comprising one or more instructions executable by one or more processors for determining a reading fluency starting age comprising: computer program code for testing a population of different ages on an alphabetical test comprising reading a sentence; computer program code for ranking a reading fluency score on the alphabetical test versus ages of the population; and computer program code for 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. 13. The tangible non-transitory computer usable medium of claim 12 , wherein at least a portion of the computer program code is executed 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.