Statistical models are essential in research to investigate relationship between variables, make predictions, classify items, and identify latent structures in a data set. Statistical models can be ...
When contextual features of test-taking environments differentially affect item responding for different test-takers and these features vary across test administrations, they may cause differential ...
STRI copy 39088014660302 purchased with funds from the S. Dillon Ripley Endowment. SERC copy 39088016914160 purchased with funds from the S. Dillon Ripley Endowment.
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