Knowledge Tracing Tutor

EdNet-KT1 · Logistic Regression from the notebook (Section 15.2)

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Predicted P(correct) —

EdNet does not publish question text (TOEIC items from the Santa app). Pick an option: it is graded against the real answer key.

Session

Predicted vs. actual

Predicted P(correct) Your answer (top = right, bottom = wrong)
Answer log
#QuestionPartAnswerKeyPredictedResult

Knowledge state by part

Predicted P(correct) Your accuracy Target

Weakest knowledge tags

Smoothed accuracy (correct + 1) / (attempts + 2). EdNet tags are anonymised IDs.

About the model

What moves the prediction

Coefficients on standardised features. Positive values raise P(correct).