"Análisis de varianza." . . "Versuchsplanung." . . "Research Design." . . "Càlcul de variacions" . . "Cochran, William G." . . "Disegno sperimentale." . . "Variantieanalyse." . . "Plan d'expérience." . . "Electronic books." . . . . "Planning and analysis of observational studies"@en . "Planning and analysis of observational studies" . . . . "Treats studies, primarily in human populations, that show casual effects of certain agents, procedures, treatment or programs. Deals with the difficulties that comparative observational studies have because of bias in their design and analysis. Systematically considers the many sources of bias and discusses how care in matching or adjustment of results can reduce the effects of bias in these investigations."@en . "Electronic books"@en . . . . . . . . . . "Planning and Analysis of Observational Studies" . . . . . . . . . . . . . . . . . "Variation, control, and bias; Statistical introduction; Preliminary aspects of planning; Further aspects of planning; Matching; Adjustments in analysis; Simple study structures." . . . . . . "Treats studies, primarily in human populations, that show casual effects of certain agents, procedures, treatment or programs. Deals with the difficulties that comparative observational studies have because of bias in their design and analysis. Systematic."@en . . . . . . . . . . . . . . . "Planning And Analysis Of Observational Studies"@en . . . . . . . . "SCIENCE Research & Methodology." . . "Ricerca operativa." . . "Analyse de variance." . . "Diseño de Experimentos." . . "Diseño de experimentos." . "Plan d'expérience Statistique mathématique." . . "Varianzanalyse." . . "Estadística Matemática." . . "Disseny experimental." . . "Experimenteel ontwerp." . . "Statistik." . . "Observatiemethoden." . . . . "Anàlisi de variància." . . "Analysis of Variance." . . "Analysis of variance." . "Beobachtung." . . "Analyse de variance Statistique mathématique." . . "Experimentauswertung." . . "Análisis de Variancia." . .