Descriptor
| Ability | 1 |
| Adaptive Testing | 1 |
| Computer Assisted Testing | 1 |
| Computer Simulation | 1 |
| Estimation (Mathematics) | 1 |
| Item Response Theory | 1 |
| Maximum Likelihood Statistics | 1 |
| Test Items | 1 |
Source
| Psychometrika | 1 |
Author
| Samejima, Fumiko | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedSamejima, Fumiko – Psychometrika, 1994
Using the constant information model, constant amounts of test information, and a finite interval of ability, simulated data were produced for 8 ability levels and 20 numbers of test items. Analyses suggest that it is desirable to consider modifying test information functions when they measure accuracy in ability estimation. (SLD)
Descriptors: Ability, Adaptive Testing, Computer Assisted Testing, Computer Simulation
