Coh-Metrix

Coh-Metrix is a computational tool that produces indices of the linguistic and discourse representations of a text. Developed by Arthur C. Graesser and Danielle S. McNamara, Coh-Metrix analyzes texts on many different features.

Measurements

Coh-Metrix can be used in many different ways to investigate the cohesion of the explicit text and the coherence of the mental representation of the text. "Our definition of cohesion consists of characteristics of the explicit text that play some role in helping the reader mentally connect ideas in the text" (Graesser, McNamara, & Louwerse, 2003). The definition of coherence is the subject of much debate. Theoretically, the coherence of a text is defined by the interaction between linguistic representations and knowledge representations. While coherence can be defined as characteristics of the text (i.e., aspects of cohesion) that are likely to contribute to the coherence of the mental representation, Coh-Metrix measurements provide indices of these cohesion characteristics.^[1]

According to an empirical study, the Coh-Metrix L2 Reading Index performs significantly better than traditional readability formulas.^[2]

References

^ Graesser, A.C., McNamara, D.S., & Louwerse, M.M (2003). What do readers need to learn in order to process coherence relations in narrative and expository text. In A.P. Sweet and C.E. Snow (Eds.), Rethinking reading comprehension (pp. 82–98). New York: Guilford Publications.
^ Scott Crossley; David Allen; Danielle McNamara (2011). "Text readability and intuitive simplification: A comparison of readability formulas N1 English". Reading in a Foreign Language. 23 (1): 86–101. ISSN 1539-0578.

External links

An exposition of the report. Memphis.edu. Includes many detailed concepts under "discourse coherence" and "linguistic cohesion".

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[1] Graesser, A.C., McNamara, D.S., & Louwerse, M.M (2003). What do readers need to learn in order to process coherence relations in narrative and expository text. In A.P. Sweet and C.E. Snow (Eds.), Rethinking reading comprehension (pp. 82–98). New York: Guilford Publications.

[2] Scott Crossley; David Allen; Danielle McNamara (2011). "Text readability and intuitive simplification: A comparison of readability formulas N1 English". Reading in a Foreign Language. 23 (1): 86–101. ISSN 1539-0578.

[1]

[2]

v t e Second language writing
General	Second language writing
Subfields	Academic writing Composition studies Language complexity
Perspectives	Cognitive and linguistic theories of composition Dynamic Systems Theory Goal theory Rhetorical genre theory Sociocultural theory Systemic functional linguistics
Notable researchers	Bardovi-Harlig Crossley Cumming Hyland Ivanić Kormos Larsen-Freeman Manchón Matsuda Ortega Polio Schmitt Storch Verspoor Wray
Journals	Assessing Writing Journal of Second Language Writing Language Learning Reading and Writing TESOL Quarterly The Modern Language Journal Writing Systems Research Written Communication
Associations	European Association for the Teaching of Academic Writing European Second Language Association
Computational tools	Coh-Metrix L2 Syntactic Complexity Analyzer

Measurements

See also

References

External links