Methods for Identifying Biased Test Items, Volume 4SAGE, 6 apr 1994 - 174 pagina's This book makes clear to researchers what item-bias methods can (and cannot) do, how they work and how they should be interpreted. Advice is provided on the most useful methods for particular test situations. The authors explain the logic of each method - from item-response theory to nonparametric, categorical methods - in terms of how differential item functioning (DIF) is defined by the method and how well the method can be expected to work. A summary of findings on the behaviour of indices in empirical studies is included. The book concludes with a set of principles for deciding when DIF should be interpreted as evidence of bias. |
Inhoudsopgave
Test Bias Item Bias and Test Validity | 1 |
for Studying Test Bias | 9 |
Differential Item Functioning | 15 |
Early Item Bias Indices Based on Classical Test Theory | 22 |
Item Response Theory as Applied | 46 |
29 | 74 |
Contingency Table Approaches | 102 |
2333 | 114 |
Interpretations of Bias From DIF Statistics | 134 |
Conclusions and Caveats | 153 |
159 | |
Overige edities - Alles bekijken
Veelvoorkomende woorden en zinsdelen
3P model ALLITEMS analysis anchor items augmented model biased items BILOG calibration Camilli Chapter chi-square classical classical test theory compact model conceptual contingency table correct response CT methods CYCLE detecting DIF DIF analyses DIF indices DIF statistics differential difficulty differential item functioning distribution empirical ICCs equation error ESTIMATE ITEM PARAMETERS example Figure Focal group examinees group differences Hambleton internal criterion interpretation IRT methods IRT model item characteristic curves item discrimination item response theory ITEM3 LARGEST CHANGE likelihood function LOG LIKELIHOOD logistic regression Mantel-Haenszel measures of DIF multidimensionality null hypothesis odds ratio p-value differences parameter estimates performance probability difference proportion correct Rasch model Reference and Focal Reference group relative sample scale Shepard SPSS studied item SUBTEST TABLE 3.4 Continued test bias test items test statistic TF TF TF TT TF Thissen total test score TT TT TT Type I error validity values zero
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