Using temporal cohesion to predict temporal coherence in narrative and expository texts |
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| Authors: | Nicholas D Duran Philip M McCarthy Art C Graesser Danielle S McNamara |
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| Institution: | (1) Department of Psychology, University of Memphis, Memphis, USA;(2) Department of English, University of Memphis, Memphis, USA;(3) FedEx Institute of Technology, University of Memphis, Room 410, 400 Innovation Drive, Memphis, TN 38152, USA; |
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| Abstract: | We investigated the linguistic features of temporal cohesion that distinguish variations in temporal coherence. In an analysis
of 150 texts, experts rated temporal coherence on three continuous scale measures designed to capture unique representations
of time. Coh-Metrix, a computational tool that assesses textual cohesion, correctly predicted the human ratings with five
features of temporal cohesion. The correlations between predicted and actual scores were all statistically significant. In
a complementary study, we explored the importance of temporal cohesion in characterizing genre. A discriminant function analysis,
using Coh-Metrix temporal indices, successfully distinguished the genres of science, history, and narrative texts. The results
suggested that history texts are more similar to narrative texts than to science texts in terms of temporal cohesion. |
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