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| Model Rasch Polytomous× | Model Rasch× | |
|---|---|---|
| Bidang | Psikometrik | Psikometrik |
| Keluarga | Latent structure | Latent structure |
| Tahun asal≠ | 1978–1982 | 1960 |
| Pengasas≠ | Gerhard N. Masters (Partial Credit Model); David Andrich (Rating Scale Model) | Georg Rasch |
| Jenis≠ | Item response model | Item Response Theory / Latent trait model |
| Sumber perintis≠ | Masters, G. N. (1982). A Rasch model for partial credit scoring. Psychometrika, 47(2), 149–174. DOI ↗ | Rasch, G. (1960). Probabilistic Models for Some Intelligence and Attainment Tests. Danish Institute for Educational Research, Copenhagen. link ↗ |
| Alias | PRM, Rating Scale Model, Partial Credit Model, Polytomous IRT Rasch | 1PL IRT, one-parameter logistic model, Rasch Modeli — 1PL IRT, 1PL model |
| Berkaitan | 6 | 6 |
| Ringkasan≠ | The Polytomous Rasch Model extends the dichotomous Rasch framework to ordered response scales with three or more categories, such as Likert items or partial-credit tasks. It estimates person ability and item difficulty on the same interval-level logit scale, and it tests whether the response categories function as intended — prerequisites for rigorous ordinal measurement. | The Rasch model, introduced by Georg Rasch in 1960, is the simplest member of the Item Response Theory (IRT) family. It assigns a single difficulty parameter to each test item and places both item difficulties and person abilities on the same logit scale, enabling direct, sample-independent comparison of items and persons. |
| ScholarGateSet data ↗ |
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