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@jemoka / Jemoka Knowledge Base / wiki/concepts/item_response_theory.md
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--- title: "Item Response Theory" type: concept source: https://www.jemoka.com/posts/kbhitem_response_theory/ confidence: high status: active --- If a student has ability \(a\), and a probably is \(d\) difficulty, the probability of a student getting something right: \begin{equation} \sigma (a-d) \end{equation} this doesn’t consider SLIPPING at all.