Coh-Metrix
Coh-Metrix bụ ngwá ọrụ mgbakọ na mwepụ nkè na-emepụta ihe ngosi nke asụsụ na okwu nnọchiteanya nke ederede. N'ịbụ nke Arthur C. Graesser na Danielle S. McNamara mepụtara, Coh-Metrix na-enyocha ederede nà ọtụtụ atụmatụ dị iche na iche.

Ntụle nile 
Enwere ike iwere Coh-Metrix mee ihe n'ọtụtụ ụzọ dị iche na iche iji nyochaa ịdị n'otu nke ederede doro anya na ịdị n'usoro nke nnọchiteanya uche nke ederede ahụ. "Nkọwa anyị nke ịdị n'otu nwere njirimara nke ederede doro anya nkè na-arụ ọrụ ụfọdụ n'inyere onye na-agụ ya aka ijikọ echiche na ederede" (Graesser, McNamara, & Louwerse, N'afo puku abuo na ato). Nkọwa nke nkwekọrịta bụ isiokwu nke ọtụtụ arụmụka. N'echiche, a na-akọwa nkwekọrịta nke ederede site na mmekọrịta dị n'etiti nnọchite anya asụsụ na nnọchite anya ihe ọmụma. Ọ bụ ezie na enwere ike ịkọwa nkwekọrịta dị ka njirimara nke ederede (ya bụ, akụkụ nke ịdị n'otu) nke nwere ike inye aka nà nkwekọrịta nke nnọchite anya uche, ọnụọgụ Coh-Metrix na-enye ihe ngosi nkè njirimara nkwekọrịta ndị ahu.

Dabere na nyocha nke ihe omuma, Coh-Metrix L2 Ọgụgụ  Index na-arụ ọrụ nke ọma karịa usoro ọgụgụ ọdịnala.

Hụkwa 

 L2 Syntactic Complexity Analyzer

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