Chunk #11 — Item response theory models

Source

Variance decomposition using an IRT measurement model.

Embedded

yes

Text

3\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ p(Y_{{ij}} = 1|\theta _{j} ,\alpha _{i} ,\beta _{i} ) = \Psi (\alpha _{i} \theta _{j} - \beta _{i} ). $$\end{document}