NotesFAQContact Us
Collection
Advanced
Search Tips
Source
Education Level
Audience
Researchers1
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Ackerman, Terry A. – 1987
Concern has been expressed over the item response theory (IRT) assumption that a person's ability can be estimated in a unidimensional latent space. To examine whether or not the response to an item requires only a single latent ability, unidimensional ability estimates were compared for data generated from the multidimensional item response…
Descriptors: Ability, Computer Simulation, Difficulty Level, Item Analysis