The Added Value of Multidimensional IRT Models
نویسندگان
چکیده
منابع مشابه
Commonalities and differences in IRT-based methods for nonignorable item nonresponses
Missing responses resulting from omitted or not-reached items are beyond researchers’ control and potentially threaten the validity of test results. Empirical evidence concerning the relationship between missingness and test takers’ performance on the test have suggested that the missing data mechanism is nonignorable and needs to be taken into account. Various IRT-based models for nonignorable...
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