Paper presentation at AIED09 in Brighton (UK)

1. AIED 2009 – Brighton (UK) - 08 July 2009
DC paper
Toward adaptive presentations
of student models
in eLearning environments
Luca Mazzola & Riccardo Mazza
USI - University of Lugano, Switzerland
Faculty of Communication Sciences
Institute for Communication Technologies
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2. Context
Open Learner Model
Adaptive Learning System
Learner meta-cognitive processes
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3. Key Points
Architecture to customize the presentation of
OLM to some characteristic of the learner itself
Template based:
Way of calculating indicators
'Rules' to show indicators
Way of encoding in graphic/text
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4. Idea
To adapt the graphical
representation of open
student model to:
preknowledge
preferences
learning goal
experience level
...
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5. From model to infrastructure
template
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6. Infrastructure
Use template to allow Instructional Designer to
specify
different indicators
alternative adaptation policies to apply
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7. Role of templates
Guide for:
Configure
Aggregate template
data
Calculate
indicators
Create rules parameters
for
encoding
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8. Expected output
A general architecture characterized by:
adapted presentation of learner model
supported by customized indicators
produced through the use of templates from ID
guided at run-time by input from user characteristics
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9. Validation
3 main aspects that will be evaluated:
Usability (a)
Impact of adaptive features (b)
Learner's perception of usefulness (c)
(a) → IsoMetrics questionnaire
(b) and (c) → some empirical studies
interviews with different stakeholders
focus groups
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10. Next steps
- Validate some widget mockups
- Implement the architecture
- Introduce metrics to allow the proximity analysis
and visualization
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11. Feedback
GRAPPLE project - 7th EU FP
http://www.grapple-project.org
Thanks for the attention
Questions?
luca.mazzola@lu.unisi.ch
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