title: Two plus two.
authors.forename: D
authors.initials: D
authors.lastname: Ledrick
authors.forename: W T
authors.initials: WT
authors.lastname: Kuhn
mesh_terms: D002321:Career Choice; D004635:Emergency Medicine / Q000193:education*; D006801:Humans; D007396:Internship and Residency / Q000706:statistics & numerical data*; D015203:Reproducibility of Results; D012570:School Admission Criteria; D012680:Sensitivity and Specificity; D013223:Statistics as Topic