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**Acceleration model in the heterogeneous case of the general graded response model.**
*(English)*
Zbl 0862.62088

Summary: A new model, called acceleration model, is proposed in the framework of the heterogeneous case of the graded response model, based on processing functions defined for a finite or enumerable number of steps. The model is expected to be useful in cognitive assessment, as well as in more traditional areas of application of latent trait models. Criteria for evaluating models are proposed, and soundness and robustness of the acceleration model are discussed. Graded response models based on individual choice behavior are also discussed, and criticisms on model selection in terms of fitnesses of models to the data are also given.

### MSC:

62P15 | Applications of statistics to psychology |

### Keywords:

item response theory; partial credit models; model evaluation; processing functions; operating characteristics; acceleration model; graded response model; cognitive assessment; latent trait models
Full Text:
DOI

### References:

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