Abstract
This study explores the impact of conversational agent language (formal vs. informal) on student language in an intelligent tutoring system (ITS). Unlike previous studies that analyzed language features in isolation, we utilized the epistemic network analysis (ENA) approach to investigate the structure of language connections in five dimensions, including non-narrativity, word abstractness, syntactic complexity, referential cohesion, and deep cohesion, in summaries written before and after the intervention. Visualizations of the ENA networks revealed differences in language connection structures between pretest and posttest in both formal and informal groups. Specifically, in the informal group, the connection between non-narrativity and word abstractness was stronger in the posttest network. In the formal group, the connection between non-narrativity and referential cohesion was stronger in the posttest network. Additionally, the connection between deep cohesion and syntactic complexity shifted from significant on pretest networks to insignificant on posttest networks. This study has implications for the design of conversational agent language and sheds light on the potential of combining ENA and Coh-Metrix components to analyze the differences in the structure of language connections, rather than individual language features in isolation.
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This research was supported by IES Grant #R305C120001.
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Li, H., Cai, Z., Wang, G., Cheng, F., Marquart, C. (2023). Impact of Agent Language on Student Language in the Structures of Language Connections. In: Arastoopour Irgens, G., Knight, S. (eds) Advances in Quantitative Ethnography. ICQE 2023. Communications in Computer and Information Science, vol 1895. Springer, Cham. https://doi.org/10.1007/978-3-031-47014-1_4
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