ct & tutalk: ct percent tutor + metacognitive tutalk prompts dr. baba kofi weusijana e-mail:...
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CT & TuTalk:CT Percent Tutor + Metacognitive TuTalk Prompts
Dr. Baba Kofi Weusijanae-mail: [email protected]
Yvette Aquie-mail: [email protected]
PSLC Summer School Project 2007
Copyright Dr. B. K. Weusijana & Yvette Aqui, 2007
Learning Environment Context
Primary school aged students learning at home, in library, or after-school lab
Learning Objectives Learning fractions, percentages, and
ratios Translating word problem into an
equation
ITS Roles
CT Model Tracing
Facilitates problem steps Detect a suboptimal & two buggy paths
TuTalk Metacognitive prompts
Encourages self-monitoring & goal settings
Facilitates analogous solution strategies
Demo – CTAT: Start State
Demo – CTAT Middle of Optimal Path
Demo – CTAT Completed Optimal Path
Demo – CTAT Suboptimal Path
Demo – CTAT Incorrect Path 1:Percent Conversion Incorrect 1
Demo – CTAT Incorrect Path 1:Percent Conversion Incorrect 2
Demo – CTAT Incorrect Path 1:% Conversion Unpredicted Incorrect
Demo – TuTalk Script 1 , Example 1
Demo – TuTalk Script 2 , Example 1
Demo – TuTalk Script 2, Example 2
Tutor Development Challenges
CTAT Installation & configuration scripting
needed TuTalk
GUI usability improvements Novice terminology & metaphors Widget feedback Direct access to common features Indirect access to advanced features &
administrative functions
Future Research Questions & Work CT
Expand to ratio & fraction problems Production rule development SimStudent pilot testing
TuTalk Fine-grained studies of robust learning
of reflection through different metacognitive dialogues
What strategies are domain dependent? How much can scripts and goals be reused?