Snap-Drift Neural Network for Selecting Student Feedback

Conference paper


Palmer-Brown, Dominic, Draganova, Chrisina and Lee, S. 2009. Snap-Drift Neural Network for Selecting Student Feedback. International Joint Conference on Neural Networks, IJCNN 2009. Atlanta, Georgia, USA 14 - 19 Jun 2009 IEEE.
AuthorsPalmer-Brown, Dominic, Draganova, Chrisina and Lee, S.
TypeConference paper
Abstract

This paper investigates the application of the snap- drift neural network (SDNN) to the provision of guided student learning in formative assessments. SDNN is able to adapt rapidly by performing a combination of fast, convergent, minimal intersection learning (snap) and Learning Vector Quantization (drift) to capture both precise sub-features in the data and more general holistic features. Snap and drift are combined within a modal learning system that toggles its learning style between the two modes. In this particular application the SDNN is trained with responses from past students to Multiple Choice Questions (MCQs). The neural network is able to categorise the learner's responses as having a significant level of similarity with a subset of the students it has previously categorised. Each category is associated with feedback composed by the lecturer on the basis of the level of understanding and prevalent misconceptions of that category-group of students. The feedback addresses the level of knowledge of the individual and guides them towards a greater understanding of particular concepts. The trained snap-drift neural network is integrated into an on-line Multiple Choice Questions (MCQs) system. This approach has been implemented and trialled with two cohorts of students using data sets of student answers related to a topic from an Introduction to Computer System module. Results indicate that significant learning support is provided for the students.

Keywordssnap- drift neural network; education
Year2009
ConferenceInternational Joint Conference on Neural Networks, IJCNN 2009
PublisherIEEE
Accepted author manuscript
License
CC BY-ND
Publication dates
PrintJun 2009
Publication process dates
Deposited22 Feb 2010
ISSN1098-7576
Web address (URL)http://dx.doi.org/10.1109/IJCNN.2009.5178859
http://hdl.handle.net/10552/615
Additional information

Citation:
Palmer-Brown, D; Draganova, C; Lee, S.W. (2009) ‘Snap-Drift Neural Network for Selecting Student Feedback’ International Joint Conference on Neural Networks (IJCNN 09) pp.391-398.

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