Impact of simple substitution methods for missing data on Classical test theory difficulty and discrimination
In Classical test theory, difficulty ($p$) and discrimination ($d$) are two item coefficients that are widely used to analyze and validate items in educational testing. However, test items are usually affected by missing data (MD), and little is known about the effect of methods for handling MD on t...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Université d'Ottawa
2018-10-01
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| Series: | Tutorials in Quantitative Methods for Psychology |
| Subjects: | |
| Online Access: | https://www.tqmp.org/RegularArticles/vol14-3/p180/p180.pdf |