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|Title:||Local Versus Global Connection Making in Discourse|
Shaffer, David Williamson
|Publisher:||Singapore: International Society of the Learning Sciences|
|Citation:||Collier, W., Ruis, A., & Shaffer, D. W. (2016). Local Versus Global Connection Making in Discourse In Looi, C. K., Polman, J. L., Cress, U., and Reimann, P. (Eds.). Transforming Learning, Empowering Learners: The International Conference of the Learning Sciences (ICLS) 2016, Volume 1. Singapore: International Society of the Learning Sciences.|
|Abstract:||This paper examines techniques for modeling relationships among domain concepts and practices in discourse to assess learning in a CSCL environment. We compare two approaches: a traditional psychometric approach, which models the global correlation structure of student discourse markers across the learning intervention, and a model that accounts for the local correlation structure of discourse markers within activities. We investigate whether: (a) analysis of local correlation structure can identify significant differences between novices and relative experts; (b) these differences reflect meaningful differences the discourse; and (c) analysis of global correlation structure can identify significant differences between novices and relative experts. We assess whether an approach that models local relationships among concepts in a domain provides useful information beyond what might be extracted from a more traditional modeling approach. Our results indicate that techniques that account for local correlation structure can identify patterns in discourse not reflected in global correlation structure.|
|Appears in Collections:||ICSL 2016|
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