title: Single or double data entry: considerations based on a simple binomial model.
authors.forename: J
authors.initials: J
authors.lastname: Zhang
authors.forename: W
authors.initials: W
authors.lastname: Hu
mesh_terms: D015982:Bias; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data; D003362:Cost-Benefit Analysis; D003625:Data Collection / Q000191:economics / Q000706:statistics & numerical data*; D003627:Data Interpretation, Statistical; D006801:Humans; D015233:Models, Statistical