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Feb 11, 2023 108 likes •372 views

Open Social Student Modeling: Visualizing Student Models with Parallel IntrospectiveViews Sharon, I-Han Hsiao 1 , Fedor Bakalov 2 , Peter Brusilovsky 1 and Birgitta Knig-Ries 2 1 University of Pittsburgh & 2 University of Jena 2011.07.14

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Open Social Student Modeling: Visualizing Student Models with Parallel IntrospectiveViews

Sharon, I-Han Hsiao1, Fedor Bakalov2, Peter Brusilovsky1 and Birgitta König-Ries2

1University of Pittsburgh & 2University of Jena

2011.07.14 #UMAP2011

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Outline

This talk is about

Open Social Student Modeling

#umap2011 ¡ @shoha99 ¡

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Introduction Open Student Modeling

Provide support in social learning ¡

Allow students to feel in control

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Visualization

Representation of an individual student Communication and collaboration

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SQL-Tutor (Mitrovic , 2007); VisMod (Zapata-Rivera et al., 2004)

…

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iBlogVis (Vassileva et al.,2009); KeepUp (Webster et al.,2007)

…

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Framework to apply open user models in adaptive learning environments

(Bull & Kay , 2007)

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Open Social Student Modeling

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Cognitive ~> Social

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Progress to guide students to the

most appropriate learning content

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Implementation

+ ¡

QuizJET IntrospectiveViews

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parallel IntrospectiveViews

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QuizJET + IV

A selected topic in detail

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Study

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QuizJET+IV ¡ QuizJET ¡portal ¡ JavaGuide ¡

Hsiao, I., Sosnovsky,S. and Brusilovsky, P. (2010) Guiding Students to the Right Questions: Adaptive Navigation Support in an E-learning System for Java Programming, Journal of Computer Assisted Learning, Volume 26 Issue 4, Pages 270 - 283.

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Results

0 ¡ 40 ¡ 80 ¡ 120 ¡ 160 ¡

QuizJET+IV QuizJET+Portal JavaGuide

Attempts

ACempts ¡

Social Guidance mediates the

motivating effect of progress visualization.

25% ¡ decrease ¡

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More conservative increase. Good? Bad?

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knowledge-based + social guidance combined are more effective in guiding students to appropriate questions than knowledge-based guidance alone.

Community wisdom does matter.

F(1,32)= 11.303, p<.01

71.35% 42.63% 58.31%

0.00% 20.00% 40.00% 60.00% 80.00% 100.00%

QuizJET+IV QuizJET+Portal JavaGuide

Success Rate

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Peer Guidance

6.83 ¡ 4 ¡ 4.67 ¡ 0 ¡ 2 ¡ 4 ¡ 6 ¡ 8 ¡ comparison ¡ topic ¡ aCempt ¡

peers' ¡models ¡

mean ¡ The ¡more ¡the ¡students ¡compared ¡ to ¡their ¡peers, ¡the ¡higher ¡post-‑quiz ¡ scores ¡they ¡received ¡ ¡(r= ¡0.34 ¡p=0.004) ¡

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Learning Effect

Normalized Knowledge Gain (NKG)

NKG =

posttest" pretest max score" pretest

NKG =

posttest" pretest max score" pretest

QuizJET ¡+ ¡IV ¡ ¡ ¡ ¡t1(17)= 7.203, p< .01 ¡ QuizJET ¡on ¡portal ¡ ¡ ¡ ¡t2(15)= 6.108, p<.01

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Subjective Evaluation

A. Usefulness
B. Ease of Use
C. Ease of Learning
D. Satisfaction
E. Privacy and Data Sharing

76.9% who ¡did ¡not ¡think ¡the ¡comparison ¡mode ¡allowed ¡ them ¡to ¡idenTfy ¡a ¡classmate ¡to ¡help ¡them ¡on ¡difficult ¡ topic

avg 80% é

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Summary

Open Social Student Modeling

knowledge-based + social guidance combined are more effective in guiding students to appropriate questions that ¡they ¡are ¡ready ¡to ¡handle ¡than knowledge-based guidance alone.

Evidence of Peer Guidance & Learning Effects

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Future

Adaptive navigation support Personalized guidance Privacy management Visualizing multiple peers’ models Collaboration features

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Progressor ROCKS!

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Sneak peek…

205.73 113.05 80.81 125.5

50 100 150 200 250

Attempts

Progressor QuizJET+IV QuizJET+Portal JavaGuide 68.39% 71.35% 42.63% 58.31% 0.00% 20.00% 40.00% 60.00% 80.00%

Success Rate

Progressor QuizJET+IV QuizJET+Portal JavaGuide

Follow me on @shoha99

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Q&A

Sharon Hsiao says Thank You ~

ihh4@pitt.edu @shoha99

Personalized Adaptive Web Systems http://adapt2.sis.pitt.edu/wiki