Item-Level Variation Across Short-Routine, Long-Text, and Visual Mathematics Items

This repository contains the de-identified data, analysis code, item-level coding materials, and reproducibility outputs associated with the study “Item-Level Variation Across Short-Routine, Long-Text, and Visual Mathematics Items". The package includes de-identified participant response data, item classification information, R analysis scripts, analysis outputs and figures, and materials for independent item coding. The data were de-identified prior to public release.