Bayesian Diagnostic Classification Models

Estimate diagnostic classification models with Stan using the measr package.

Technical Evidence for Diagnostic Assessments

A talk for applied practitioners on how to provide robust technical evidence for assessments using diagnostic classification models.

Using R for Item Response Theory

Guest lecture introducing R for estimating and evaluating item response theory models.

Applications of Item Response Theory in R

A high-level introduction to using R for Item Response Theory.

Empirical Methods for Evaluating Maps

Methods for using empirical data to validate a proposed learning map structure.

Psychometric Considerations for Learning Maps-Based Assessments

Four things to think about when creating and scoring an operational learning-maps based assessment.

Measuring the reliability of student mastery classifications at multiple levels of reporting

Methods for estimating reliability for aggregated mastery classifications.

Creating an EM:IP Cover Graphic Using ggplot2

Use ggplot2 to visualize multidimensional item response theory models.

Dynamic Learning Maps

The Dynamic Learning Maps® Alternate Assessment System is a large-scale educational assessment administered by Accessible Teaching, Learning, and Assessment Systems at the University of Kansas, a part of the Achievement and Assessment Institute.