Abstract
The objective was to give out calculate formula of multilevel item information function, and give some examples of multilevel item information. Results was: 1) at first discuss the sample sky of the test item by a example; 2) give out the probability function and information function of multilevel item; 3) discuss the application of multilevel item information function in practice by a few examples.
| Keywords: | IRT; information; multilevel item |
|---|
[Chinese Version | Index | Acta Psychologica Sinica | Other Journals | Subscription form | Enquiry ]
Mail any comments and suggestions to
hkier-journal@cuhk.edu.hk .