NDLI: Student Performance Evaluation of Multimodal Learning via a Vector Space Model

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Student Performance Evaluation of Multimodal Learning via a Vector Space Model

Content Provider	ACM Digital Library
Author	Yu, Yi Zimmermann, Roger Basu, Subhasree
Abstract	Multimodal learning, as an effective method to helping students understand complex concepts, has attracted much research interest recently. Our motivation of this work is very intuitive: we want to evaluate student performance of multimodal learning over the Internet. We are developing a system for student performance evaluation which can automatically collect student-generated multimedia data during online multimodal learning and analyze student performance. As our initial step, we propose to make use of a vector space model to process student-generated multimodal data, aiming at evaluating student performance by exploring all annotation information. In particular, the area of a study material is represented as a 2-dimensional grid and predefined attributes form an attribute space. Then, annotations generated by students are mapped to a 3-dimensional indicator matrix, 2-dimensions corresponding to object positions in the grid of the study material and a third dimension recording attributes of objects. Then, recall, precision and Jaccard index are used as metrics to evaluate student performance, given the teacher's analysis as the ground truth. We applied our scheme to real datasets generated by students and teachers in two schools. The results are encouraging and confirm the effectiveness of the proposed approach to student performance evaluation in multimodal learning.
Starting Page	27
Ending Page	30
Page Count	4
File Format	PDF
ISBN	9781450331579
DOI	10.1145/2661714.2661723
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2014-11-07
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	E-learning Multimodal learning software Vector space representation
Content Type	Text
Resource Type	Article

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