Research in Social and Administrative Pharmacy · 2007 · 165 citations · 47 references
Public HealthBehavioral SciencesPsychiatryEpidemiologic MethodsEpidemiologyPsychometricsDepressionDepressive DisordersMental HealthMissing Data HandlingMissing Data ImputationMissing Data MethodsData ImputationDepression Severity ScalesMissing DataMissing Data AnalysisMultiple Imputation
47
Lenore Sawyer Radloff · Applied Psychological Measurement · 1977 · 53.3K citations · Full text
Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.9K citations