David M. Phillippo, Sofia Dias, A. E. Ades, Mark Belger, Alan Brnabic, Alexander Schacht, Daniel Saure, Zbigniew Kadziola, Nicky J. Welton Journal of the Royal Statistical Society. Series A ...

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 ...

Medical Care, Vol. 45, No. 3 (Mar., 2007), pp. 252-258 (7 pages) Background: Hospitals rapidly change structure and organization. Little research has been conducted that documents whether hospital ...

Effects of ethnicity on genotype-phenotype correlations in individuals with a BRCA1 or BRCA2 mutation. Background: So far, few studies have investigated the impact of specially trained breast care ...