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de Jong, John H. A. L. – 1983
The Rasch model for test analysis is a latent-trait model, which specifies the relationship between observable test performance and the unobservable traits or abilities assumed under test performance. In most cases, the test constructor has no clue as to whether the latent traits postulated by the model are indeed the abilities he wants to…
Descriptors: Ability Grouping, Cloze Procedure, Correlation, English (Second Language)