6. The method of claim 2 wherein text cohesion is measured using factors from the group consisting of referential cohesion, causal cohesion, connective non-causal cohesion, and thematic continuity.
7. The method of claim 6 wherein causal cohesion and connective non-causal cohesion are measured using factors from the group consisting of causal coordinator term “because” frequency, concessive coordinator frequency, and clarification conjunct frequency.