NotesFAQContact Us
Collection
Advanced
Search Tips
Descriptor
Achievement Tests1
Adaptive Testing1
Content Validity1
Elementary Education1
Elementary School Students1
Estimation (Mathematics)1
Grade 61
Latent Trait Theory1
Standardized Tests1
Test Construction1
Test Items1
More ▼
Source
Applied Measurement in…1
Author
Way, Walter D.1
Publication Type
Journal Articles1
Reports - Research1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
IRT Ability Estimates from Customized Achievement Tests without Representative Content Sampling.
Peer reviewed Peer reviewed
Way, Walter D.; And Others – Applied Measurement in Education, 1989
The effects of using item response theory (IRT) ability estimates based on customized tests formed by selecting areas from a nationally standardized achievement test were examined. For some populations, in some conditions, IRT ability estimates can be equivalent to scores based on full-length tests. (SLD)
Descriptors: Achievement Tests, Adaptive Testing, Content Validity, Elementary Education