Robustness of the School-Level Polytomous IRT Model.

Tate, Richard

Notes FAQ Contact Us

Back to results

Peer reviewed

ERIC Number: EJ604302

Record Type: Journal

Publication Date: 2000

Pages: N/A

Abstractor: N/A

ISBN: N/A

ISSN: ISSN-0013-1644

EISSN: N/A

Available Date: N/A

Robustness of the School-Level Polytomous IRT Model.

Tate, Richard

Educational and Psychological Measurement, v60 n1 p20-37 Feb 2000

Investigated the robustness of the group-level polytomous Item Response Theory model to violations of assumptions of school-level normality and within-school normality and constant variance with eight large simulated case samples. Discusses the precision obtained in estimating school ability. (SLD)

Descriptors: Ability, Case Studies, Elementary Secondary Education, Estimation (Mathematics), Item Response Theory, Mathematical Models, Robustness (Statistics), Schools, Simulation

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

Grant or Contract Numbers: N/A

Author Affiliations: N/A