Impact of Differential Item Functioning on Subsequent Statistical Conclusions Based on Observed Test Score Data
This simulation study investigated the impact of differential item functioning (DIF) on the Type I error rate and effect size of the independent samples t-test on the observed total test scores. Five studies were conducted: studies one to three investigated the impact of unidirectional DIF (i.e., DI...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Sciendo
2009-01-01
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| Series: | Psicológica |
| Online Access: | http://www.redalyc.org/articulo.oa?id=16911991011 |