Data Intensive Methods in Psychometrics

Open: The data are licensed for reformatting and public reuse. Their provenance is documented and code used to transform original data to meet the IRW data standard is available.Harmonized: The data a...

The Item Response Warehouse (IRW) is a collection and standardization of a large volume of item response datasets in a free and open-source platform for researchers. We describe key elements of the da...

Code related to data for the Item Response Warehouse - ben-domingue/irw

Researchers compare aggregate test data across treatment and control group in randomized controlled trials to determine intervention impact on student achievement. We show that item-level data and ...

Analyses of heterogeneous treatment effects (HTE) are common in applied causal inference research. However, when outcomes are latent variables assessed via psychometric instruments such as educational...

Open: The data are licensed for reformatting and public reuse. Their provenance is documented and code used to transform original data to meet the IRW data standard is available.Harmonized: The data a...