Background Socioeconomic exposures related to anaemia in Peruvian children have been modelled assuming additive or log-additive relationships, yet such approaches overlook the fact that illness ...
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 ...
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