7. The method of claim 1 , further comprising: filtering the one or more text sets to obtain one or more filtered text sets; wherein determining a value for each text set includes determining a value for each of the one or more filtered text sets.
7. The method of claim 1 , further comprising: filtering the one or more text sets to obtain one or more filtered text sets; wherein determining a value for each text set includes determining a value for each of the one or more filtered text sets. 11. The method of claim 7 , wherein the step of filtering the one or more text sets includes, for each respective text set: determining a syntactic complexity filtering value associated with the respective text set by applying one or more filter syntactic complexity metrics; determining whether to include the respective text set in the one or more filtered text sets based on at least the syntactic complexity filtering value.