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| Ability | 1 |
| Computer Simulation | 1 |
| Difficulty Level | 1 |
| Item Analysis | 1 |
| Latent Trait Theory | 1 |
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| Test Items | 1 |
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| Ackerman, Terry A. | 1 |
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Ackerman, Terry A. – 1987
Concern has been expressed over the item response theory (IRT) assumption that a person's ability can be estimated in a unidimensional latent space. To examine whether or not the response to an item requires only a single latent ability, unidimensional ability estimates were compared for data generated from the multidimensional item response…
Descriptors: Ability, Computer Simulation, Difficulty Level, Item Analysis


