title: Assessing sources of score variability in a multisite medical performance assessment: an application of hierarchial linear modeling.
authors.affiliation: Measurement Consulting Services, National Board of Medical Examiners, Philadelphia 19104, USA. lfloreck@NBME.org
authors.forename: L M
authors.initials: LM
authors.lastname: Floreck
authors.forename: A F
authors.initials: AF
authors.lastname: Champlain
mesh_terms: D000704:Analysis of Variance; D002983:Clinical Competence / Q000592:standards* / Q000706:statistics & numerical data*; D016014:Linear Models