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 ...

Background: Preterm birth is a complex disease with etiologic influences from a variety of social, environmental, hormonal, genetic, and other factors. The purpose of this study was to utilize a large ...

This is a preview. Log in through your library . Abstract Scientific journals must deal with the following questions concerning the predictive validity of editorial decisions. Is the best scientific ...