Description Usage Arguments Details Value Author(s) References See Also Examples
Andersen's Likelihood Ratio Test is a model test for Rasch models (based on CML estimation) and splits the data set into subsamples to test the person homogeneity
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object |
Object of class |
splitcrit |
Vector or the character vector |
x |
Object of class aLR |
... |
further arguments |
The default split criterion "score"
computes the raw score of every
person according to the category values in the data set. The sample is split
by the median of this raw score.
emp_Chi2 |
χ^2 distributed value of the Likelihood Ratio test |
df |
degrees of freedom of the test statistic |
pval |
p value of the test statistic |
itempar |
estimated item parameters for each subsample |
item_se |
estimated standard errors for the item parameters for each subsample |
Christine Hohensinn
Andersen, E. B. (1973). A goodness of fit test for the Rasch model. Psychometrika, 38, 123- 140.
Fischer, G. H. (1974). Einfuehrung in die Theorie psychologischer Tests [Introduction to test theory]. Bern: Huber.
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