Descriptor
| Change | 1 |
| Computer Simulation | 1 |
| Equations (Mathematics) | 1 |
| Estimation (Mathematics) | 1 |
| Generalization | 1 |
| Item Response Theory | 1 |
| Mathematical Models | 1 |
| Maximum Likelihood Statistics | 1 |
| Rating Scales | 1 |
| Scoring | 1 |
Source
| Psychometrika | 1 |
Author
| Fischer, G. H. | 1 |
| Parzer, P. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedFischer, G. H.; Parzer, P. – Psychometrika, 1991
The polytomous unidimensional Rasch model with equidistant scoring (rating scale model) is extended so that two parameters are linearly decomposed into certain basic parameters. A conditional maximum likelihood estimation procedure and a likelihood ratio test are presented in the context of the extended model (linear rating scale model). (SLD)
Descriptors: Change, Computer Simulation, Equations (Mathematics), Estimation (Mathematics)
