Graesser Petschonek 2005 - Automated Systems that Analyze Text and Discourse: QUAID, Coh-Metrix, and AutoTutor

Recent advances in the fields of computational linguistics, discourse processes, and computer technologies offer new avenues of improving measurement methodologies and clinical applications. 

This chapter describes three technologies, available on the web, that have been developed in the interdisciplinary Institute for Intelligent Systems at the University of Memphis. 

QUAID (Question Understanding Aid) critiques questions onsurveys and questionnaires as to whether the questions might pose comprehension difficulties for respondents. 

Coh-Metrix analyzes text on hundreds of metrics of cohesion and language characteristics; it can be used to analyze the readability andcoherence of documents in the health industry. 

AutoTutor is an animated conversational agent that helps individuals learn by holding a conversation in natural language. Although AutoTutor was originally developed as a learning environment for college students, it could be expanded from training to communicating with patients on health problems. 

These new technologies have not yet been assimilated into Quality of Life research and clinical practice so an important next direction is to explore their capabilities.

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