Enhancing measurement in science education research through Rasch analysis: Rationale and properties

This article presents the basic rationale of Rasch theory and seven core properties of Rasch modeling; analyses of test targeting, person separation, person fit, item fit, differential item functioning, functioning of response categories and tests of unidimensionality. Illustrative examples are prov...

Full description

Bibliographic Details
Main Author: Jørgen Sjaastad
Format: Article
Language:Danish
Published: University of Oslo 2014-10-01
Series:Nordina: Nordic Studies in Science Education
Subjects:
Online Access:https://journals.uio.no/nordina/article/view/662