IRT_MODEL

Business Definition

IRT model type used for calibration (for example, '1PL', '2PL', '3PL', 'GRM' for graded response). This informs analysts which parameters are meaningful for the item and which statistical assumptions apply. Null for non-IRT or untagged items.

Data Type

VARCHAR

Nullable

Yes

Last Updated

2026-01-13T04:05:42 by LEARNOSITY_ITEMS_DIM_ANALYSIS