English vocabulary difficulty
Predicting how hard an English word will be for learners with different first languages.
Knowledge tracing
A student’s answer is evidence about their knowledge. It is not a complete description of it.
The Knowledge Prediction model estimates what a learner knows from their learning history. Those estimates help choose suitable activities and connect new material to existing knowledge. Our related vocabulary-difficulty work asks a complementary question: what makes a particular word hard for learners with different first languages?
Resources
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