NotesFAQContact Us
Collection
Advanced
Search Tips
Source
Journal of Educational and…1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Holman, Rebecca; Berger, Martijn P. F. – Journal of Educational and Behavioral Statistics, 2001
Studied calibration designs that maximize the determinants of Fisher's information matrix on the item parameters for sets of polytomously scored items. Analyzed these items using a number of item response theory models. Results show that for the data and models used, a D-optimal calibration design for an answer or set of answers can reduce the…
Descriptors: Item Response Theory, Research Design, Test Items