DIFFICULTY_PARAMETER_UNSCALED_B1

Business Definition

Unscaled version of the difficulty parameter b1 before applying score transformations or equating. This value is used for research and recalibration studies where raw metric comparisons are needed. Typically provided by Learnosity but null for Helix items.

Data Type

FLOAT

Nullable

Yes

Last Updated

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