NotesFAQContact Us
Collection
Advanced
Search Tips
Source
Applied Measurement in…1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
Iowa Tests of Basic Skills1
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Lee, Guemin – Applied Measurement in Education, 2000
Investigated incorporating a testlet definition into the estimation of the conditional standard error of measurement (SEM) for tests composed of testlets using five conditional SEM estimation methods. Results from 3,876 tests from the Iowa Tests of Basic Skills and 1,000 simulated responses show that item-based methods provide lower conditional…
Descriptors: Error of Measurement, Estimation (Mathematics), Simulation, Test Construction