Equating—Linking Instruments Through Common Items

Abstract

The Rasch models routinely handle missing data. It is possible for subsets of persons to respond to different subsets of items which have been established to be in the same frame of referenceFrame of reference, and have person estimates on the same scaleScale. As a result, testTestequatingEquatingwhen only some items are common between two assessments assessing the same variable is facilitated.